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1054525 = 5242181
BaseRepresentation
bin100000001011100111101
31222120112111
410001130331
5232221100
634334021
711651263
oct4013475
91876474
101054525
1166030a
1242a311
132abca4
141d6433
1515c6ba
hex10173d

1054525 has 6 divisors (see below), whose sum is σ = 1307642. Its totient is φ = 843600.

The previous prime is 1054523. The next prime is 1054531. The reversal of 1054525 is 5254501.

It can be written as a sum of positive squares in 3 ways, for example, as 1849 + 1052676 = 43^2 + 1026^2 .

It is not a de Polignac number, because 1054525 - 21 = 1054523 is a prime.

It is a super-2 number, since 2×10545252 = 2224045951250, which contains 22 as substring.

It is an Ulam number.

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 = 1054496 and 1054505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21066 + ... + 21115.

21054525 is an apocalyptic number.

It is an amenable number.

1054525 is a deficient number, since it is larger than the sum of its proper divisors (253117).

1054525 is an equidigital number, since it uses as much as digits as its factorization.

1054525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42191 (or 42186 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1054525 is about 1026.9006767940. The cubic root of 1054525 is about 101.7854325865.

The spelling of 1054525 in words is "one million, fifty-four thousand, five hundred twenty-five".

Divisors: 1 5 25 42181 210905 1054525