3125315625 has 24 divisors (see below), whose sum is σ = 5208541632. Its totient is φ = 1666830000.

The previous prime is 3125315621. The next prime is 3125315659. The reversal of 3125315625 is 5265135213.

It is a happy number.

It is not a de Polignac number, because 3125315625 - 2² = 3125315621 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3125315621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157309 + ... + 176058.

It is an arithmetic number, because the mean of its divisors is an integer number (217022568).

Almost surely, 2^3125315625 is an apocalyptic number.

It is an amenable number.

3125315625 is a deficient number, since it is larger than the sum of its proper divisors (2083226007).

3125315625 is an frugal number, since it uses more digits than its factorization.

3125315625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333395 (or 333375 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 3125315625 is about 55904.5224020383. The cubic root of 3125315625 is about 1462.0580884147.

The spelling of 3125315625 in words is "three billion, one hundred twenty-five million, three hundred fifteen thousand, six hundred twenty-five".