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1052725 = 52172477
BaseRepresentation
bin100000001000000110101
31222111001211
410001000311
5232141400
634321421
711643112
oct4010065
91874054
101052725
11659a23
12429271
132ab21b
141d5909
1515bdba
hex101035

1052725 has 12 divisors (see below), whose sum is σ = 1382724. Its totient is φ = 792320.

The previous prime is 1052719. The next prime is 1052731. The reversal of 1052725 is 5272501.

It is an interprime number because it is at equal distance from previous prime (1052719) and next prime (1052731).

It can be written as a sum of positive squares in 6 ways, for example, as 49 + 1052676 = 7^2 + 1026^2 .

It is not a de Polignac number, because 1052725 - 25 = 1052693 is a prime.

It is a super-2 number, since 2×10527252 = 2216459851250, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052696 and 1052705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 814 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (115227).

21052725 is an apocalyptic number.

It is an amenable number.

1052725 is a deficient number, since it is larger than the sum of its proper divisors (329999).

1052725 is a wasteful number, since it uses less digits than its factorization.

1052725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504 (or 2499 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1052725 is about 1026.0238788644. The cubic root of 1052725 is about 101.7274860792.

It can be divided in two parts, 10527 and 25, that multiplied together give a triangular number (263175 = T725).

The spelling of 1052725 in words is "one million, fifty-two thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 85 425 2477 12385 42109 61925 210545 1052725