965655625 has 45 divisors (see below), whose sum is σ = 1338195859. Its totient is φ = 696080000.

The previous prime is 965655619. The next prime is 965655653. The reversal of 965655625 is 526556569.

It is a happy number.

The square root of 965655625 is 31075.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 943902729 + 21752896 = 30723^2 + 4664^2 .

It is not a de Polignac number, because 965655625 - 2³ = 965655617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8545569 + ... + 8545681.

Almost surely, 2^965655625 is an apocalyptic number.

965655625 is the 31075-th square number.

965655625 is the 15538-th centered octagonal number.

It is an amenable number.

965655625 is a deficient number, since it is larger than the sum of its proper divisors (372540234).

965655625 is an equidigital number, since it uses as much as digits as its factorization.

965655625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 129 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 49.

The cubic root of 965655625 is about 988.4182560531.

Multiplying 965655625 by its sum of digits (49), we get a square (47317125625 = 217525²).

The spelling of 965655625 in words is "nine hundred sixty-five million, six hundred fifty-five thousand, six hundred twenty-five".