3195924921225 has 45 divisors (see below), whose sum is σ = 5920106738007. Its totient is φ = 1704450386160.

The previous prime is 3195924921197. The next prime is 3195924921229. The reversal of 3195924921225 is 5221294295913.

The square root of 3195924921225 is 1787715.

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

3195924921225 is a `hidden beast` number, since 3 + 1 + 9 + 592 + 4 + 9 + 21 + 2 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1150532971641 + 2045391949584 = 1072629^2 + 1430172^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 3195924921225 - 2¹³ = 3195924913033 is a prime.

It is a super-2 number, since 2×3195924921225² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3195924921229) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 80427312 + ... + 80467038.

Almost surely, 2^{3195924921225} is an apocalyptic number.

3195924921225 is the 1787715-th square number.

3195924921225 is the 893858-th centered octagonal number.

It is an amenable number.

3195924921225 is a deficient number, since it is larger than the sum of its proper divisors (2724181816782).

3195924921225 is an frugal number, since it uses more digits than its factorization.

3195924921225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79476 (or 39735 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 3195924921225 in words is "three trillion, one hundred ninety-five billion, nine hundred twenty-four million, nine hundred twenty-one thousand, two hundred twenty-five".