3249165235625 has 20 divisors (see below), whose sum is σ = 4061929344660. Its totient is φ = 2598197448000.

The previous prime is 3249165235621. The next prime is 3249165235627. The reversal of 3249165235625 is 5265325619423.

It can be written as a sum of positive squares in 10 ways, for example, as 2086115146921 + 1163050088704 = 1444339^2 + 1078448^2 .

It is not a de Polignac number, because 3249165235625 - 2² = 3249165235621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3249165235621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 299531 + ... + 2566719.

It is an arithmetic number, because the mean of its divisors is an integer number (203096467233).

Almost surely, 2^{3249165235625} is an apocalyptic number.

It is an amenable number.

3249165235625 is a deficient number, since it is larger than the sum of its proper divisors (812764109035).

3249165235625 is an equidigital number, since it uses as much as digits as its factorization.

3249165235625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269502 (or 2269487 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 53.

The spelling of 3249165235625 in words is "three trillion, two hundred forty-nine billion, one hundred sixty-five million, two hundred thirty-five thousand, six hundred twenty-five".