3172478025 has 12 divisors (see below), whose sum is σ = 5245163792. Its totient is φ = 1691988240.

The previous prime is 3172478011. The next prime is 3172478047. The reversal of 3172478025 is 5208742713.

It is not a de Polignac number, because 3172478025 - 2¹² = 3172473929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21149779 + ... + 21149928.

Almost surely, 2^3172478025 is an apocalyptic number.

It is an amenable number.

3172478025 is a deficient number, since it is larger than the sum of its proper divisors (2072685767).

3172478025 is a wasteful number, since it uses less digits than its factorization.

3172478025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42299720 (or 42299715 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 3172478025 is about 56324.7549928093. The cubic root of 3172478025 is about 1469.3757704091.

The spelling of 3172478025 in words is "three billion, one hundred seventy-two million, four hundred seventy-eight thousand, twenty-five".