3125265905 has 8 divisors (see below), whose sum is σ = 3750619200. Its totient is φ = 2500012656.

The previous prime is 3125265841. The next prime is 3125265943. The reversal of 3125265905 is 5095625213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3125265905 - 2⁶ = 3125265841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109076 + ... + 134714.

It is an arithmetic number, because the mean of its divisors is an integer number (468827400).

Almost surely, 2^3125265905 is an apocalyptic number.

It is an amenable number.

3125265905 is a deficient number, since it is larger than the sum of its proper divisors (625353295).

3125265905 is a wasteful number, since it uses less digits than its factorization.

3125265905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50023.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 3125265905 is about 55904.0777135264. The cubic root of 3125265905 is about 1462.0503351803.

The spelling of 3125265905 in words is "three billion, one hundred twenty-five million, two hundred sixty-five thousand, nine hundred five".