8515051 has 4 divisors (see below), whose sum is σ = 8654704. Its totient is φ = 8375400.

The previous prime is 8514949. The next prime is 8515063. The reversal of 8515051 is 1505158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8515051 - 2⁷ = 8514923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8515081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69735 + ... + 69856.

It is an arithmetic number, because the mean of its divisors is an integer number (2163676).

Almost surely, 2^8515051 is an apocalyptic number.

8515051 is a deficient number, since it is larger than the sum of its proper divisors (139653).

8515051 is a wasteful number, since it uses less digits than its factorization.

8515051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139652.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 8515051 is about 2918.0560309905. The cubic root of 8515051 is about 204.2031409128.

The spelling of 8515051 in words is "eight million, five hundred fifteen thousand, fifty-one".