8256252015 has 24 divisors (see below), whose sum is σ = 15611822928. Its totient is φ = 4003031040.

The previous prime is 8256252007. The next prime is 8256252031. The reversal of 8256252015 is 5102526528.

It is a happy number.

8256252015 is a `hidden beast` number, since 8 + 2 + 5 + 625 + 20 + 1 + 5 = 666.

It is not a de Polignac number, because 8256252015 - 2³ = 8256252007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8339154 + ... + 8340143.

It is an arithmetic number, because the mean of its divisors is an integer number (650492622).

Almost surely, 2^8256252015 is an apocalyptic number.

8256252015 is a deficient number, since it is larger than the sum of its proper divisors (7355570913).

8256252015 is a wasteful number, since it uses less digits than its factorization.

8256252015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16679319 (or 16679316 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 8256252015 is about 90863.9203149413. The cubic root of 8256252015 is about 2021.1303035147.

The spelling of 8256252015 in words is "eight billion, two hundred fifty-six million, two hundred fifty-two thousand, fifteen".