85302570 has 32 divisors (see below), whose sum is σ = 206546112. Its totient is φ = 22545152.

The previous prime is 85302563. The next prime is 85302577. The reversal of 85302570 is 7520358.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85302563) and next prime (85302577).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (85302577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9192 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (6454566).

Almost surely, 2^85302570 is an apocalyptic number.

85302570 is an abundant number, since it is smaller than the sum of its proper divisors (121243542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85302570 is a wasteful number, since it uses less digits than its factorization.

85302570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25286.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 85302570 is about 9235.9390426745. The cubic root of 85302570 is about 440.2040548018.

The spelling of 85302570 in words is "eighty-five million, three hundred two thousand, five hundred seventy".