1325025657 has 12 divisors (see below), whose sum is σ = 1914465280. Its totient is φ = 883101528.

The previous prime is 1325025623. The next prime is 1325025707. The reversal of 1325025657 is 7565205231.

It is a de Polignac number, because none of the positive numbers 2^k-1325025657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325025617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16488 + ... + 54054.

Almost surely, 2^1325025657 is an apocalyptic number.

It is an amenable number.

1325025657 is a deficient number, since it is larger than the sum of its proper divisors (589439623).

1325025657 is a wasteful number, since it uses less digits than its factorization.

1325025657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41492 (or 41489 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 1325025657 is about 36400.9018706955. The cubic root of 1325025657 is about 1098.3517068336.

The spelling of 1325025657 in words is "one billion, three hundred twenty-five million, twenty-five thousand, six hundred fifty-seven".