85575513 has 8 divisors (see below), whose sum is σ = 114268576. Its totient is φ = 56966400.

The previous prime is 85575499. The next prime is 85575527. The reversal of 85575513 is 31557558.

It is an interprime number because it is at equal distance from previous prime (85575499) and next prime (85575527).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85575513 - 2⁸ = 85575257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85575313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18568 + ... + 22713.

It is an arithmetic number, because the mean of its divisors is an integer number (14283572).

Almost surely, 2^85575513 is an apocalyptic number.

It is an amenable number.

85575513 is a deficient number, since it is larger than the sum of its proper divisors (28693063).

85575513 is a wasteful number, since it uses less digits than its factorization.

85575513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41975.

The product of its digits is 105000, while the sum is 39.

The square root of 85575513 is about 9250.7033786626. The cubic root of 85575513 is about 440.6730625305.

The spelling of 85575513 in words is "eighty-five million, five hundred seventy-five thousand, five hundred thirteen".