8315901725 has 6 divisors (see below), whose sum is σ = 10311718170. Its totient is φ = 6652721360.

The previous prime is 8315901719. The next prime is 8315901791. The reversal of 8315901725 is 5271095138.

It can be written as a sum of positive squares in 3 ways, for example, as 869247289 + 7446654436 = 29483^2 + 86294^2 .

It is not a de Polignac number, because 8315901725 - 2⁶ = 8315901661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166318010 + ... + 166318059.

It is an arithmetic number, because the mean of its divisors is an integer number (1718619695).

Almost surely, 2^8315901725 is an apocalyptic number.

It is an amenable number.

8315901725 is a deficient number, since it is larger than the sum of its proper divisors (1995816445).

8315901725 is a wasteful number, since it uses less digits than its factorization.

8315901725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332636079 (or 332636074 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 8315901725 is about 91191.5660848085. The cubic root of 8315901725 is about 2025.9860441942.

The spelling of 8315901725 in words is "eight billion, three hundred fifteen million, nine hundred one thousand, seven hundred twenty-five".