3213602987525 has 12 divisors (see below), whose sum is σ = 4554134519712. Its totient is φ = 2203613477040.

The previous prime is 3213602987521. The next prime is 3213602987527. The reversal of 3213602987525 is 5257892063123.

It is not a de Polignac number, because 3213602987525 - 2² = 3213602987521 is a prime.

It is a super-2 number, since 2×3213602987525² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213602987521) 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, 9181722647 + ... + 9181722996.

It is an arithmetic number, because the mean of its divisors is an integer number (379511209976).

Almost surely, 2^{3213602987525} is an apocalyptic number.

3213602987525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3213602987525 is a deficient number, since it is larger than the sum of its proper divisors (1340531532187).

3213602987525 is a wasteful number, since it uses less digits than its factorization.

3213602987525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363445660 (or 18363445655 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 3213602987525 in words is "three trillion, two hundred thirteen billion, six hundred two million, nine hundred eighty-seven thousand, five hundred twenty-five".