32130928612225 has 9 divisors (see below), whose sum is σ = 39842386623363. Its totient is φ = 25704720216120.

The previous prime is 32130928612207. The next prime is 32130928612261. The reversal of 32130928612225 is 52221682903123.

The square root of 32130928612225 is 5668415.

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

It can be written as a sum of positive squares in only one way, i.e., 11567134300401 + 20563794311824 = 3401049^2 + 4534732^2 .

It is a de Polignac number, because none of the positive numbers 2^k-32130928612225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27775234 + ... + 28908916.

Almost surely, 2^{32130928612225} is an apocalyptic number.

32130928612225 is the 5668415-th square number.

32130928612225 is the 2834208-th centered octagonal number.

It is an amenable number.

32130928612225 is a deficient number, since it is larger than the sum of its proper divisors (7711458011138).

32130928612225 is an frugal number, since it uses more digits than its factorization.

32130928612225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267376 (or 1133688 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 32130928612225 in words is "thirty-two trillion, one hundred thirty billion, nine hundred twenty-eight million, six hundred twelve thousand, two hundred twenty-five".