85573015 has 12 divisors (see below), whose sum is σ = 112872312. Its totient is φ = 62234480.

The previous prime is 85573001. The next prime is 85573031. The reversal of 85573015 is 51037558.

It is not a de Polignac number, because 85573015 - 2⁵ = 85572983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70117 + ... + 71326.

It is an arithmetic number, because the mean of its divisors is an integer number (9406026).

Almost surely, 2^85573015 is an apocalyptic number.

85573015 is a deficient number, since it is larger than the sum of its proper divisors (27299297).

85573015 is a wasteful number, since it uses less digits than its factorization.

85573015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141470 (or 141459 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 85573015 is about 9250.5683609171. The cubic root of 85573015 is about 440.6687746527.

The spelling of 85573015 in words is "eighty-five million, five hundred seventy-three thousand, fifteen".