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1353025 = 5254121
BaseRepresentation
bin101001010010101000001
32112202000001
411022111001
5321244100
645000001
714333452
oct5122501
92482001
101353025
11844603
12553001
13384b0b
14273129
151bad6a
hex14a541

1353025 has 6 divisors (see below), whose sum is σ = 1677782. Its totient is φ = 1082400.

The previous prime is 1353019. The next prime is 1353029. The reversal of 1353025 is 5203531.

It can be written as a sum of positive squares in 3 ways, for example, as 25921 + 1327104 = 161^2 + 1152^2 .

It is not a de Polignac number, because 1353025 - 25 = 1352993 is a prime.

It is a Duffinian number.

1353025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1352993 and 1353011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353029) 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, 27036 + ... + 27085.

21353025 is an apocalyptic number.

It is an amenable number.

1353025 is a deficient number, since it is larger than the sum of its proper divisors (324757).

1353025 is an equidigital number, since it uses as much as digits as its factorization.

1353025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54131 (or 54126 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1353025 is about 1163.1960281913. The cubic root of 1353025 is about 110.6034329731.

Adding to 1353025 its reverse (5203531), we get a palindrome (6556556).

It can be divided in two parts, 135 and 3025, that added together give a triangular number (3160 = T79).

The spelling of 1353025 in words is "one million, three hundred fifty-three thousand, twenty-five".

Divisors: 1 5 25 54121 270605 1353025