1325057536 has 40 divisors (see below), whose sum is σ = 2888223624. Its totient is φ = 602296320.

The previous prime is 1325057527. The next prime is 1325057563. The reversal of 1325057536 is 6357505231.

It is a junction number, because it is equal to n+sod(n) for n = 1325057495 and 1325057504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112005 + ... + 123268.

Almost surely, 2^1325057536 is an apocalyptic number.

1325057536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1325057536 is an abundant number, since it is smaller than the sum of its proper divisors (1563166088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325057536 is an equidigital number, since it uses as much as digits as its factorization.

1325057536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235302 (or 235286 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 1325057536 is about 36401.3397555639. The cubic root of 1325057536 is about 1098.3605152349.

It can be divided in two parts, 132505 and 7536, that added together give a palindrome (140041).

The spelling of 1325057536 in words is "one billion, three hundred twenty-five million, fifty-seven thousand, five hundred thirty-six".