85576513 has 32 divisors (see below), whose sum is σ = 102297600. Its totient is φ = 70761600.

The previous prime is 85576507. The next prime is 85576529. The reversal of 85576513 is 31567558.

It is a cyclic number.

It is not a de Polignac number, because 85576513 - 2⁵ = 85576481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85576573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1083208 + ... + 1083286.

It is an arithmetic number, because the mean of its divisors is an integer number (3196800).

Almost surely, 2^85576513 is an apocalyptic number.

It is an amenable number.

85576513 is a deficient number, since it is larger than the sum of its proper divisors (16721087).

85576513 is a wasteful number, since it uses less digits than its factorization.

85576513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its digits is 126000, while the sum is 40.

The square root of 85576513 is about 9250.7574284488. The cubic root of 85576513 is about 440.6747790314.

The spelling of 85576513 in words is "eighty-five million, five hundred seventy-six thousand, five hundred thirteen".