85252574 has 32 divisors (see below), whose sum is σ = 143738496. Its totient is φ = 37588320.

The previous prime is 85252561. The next prime is 85252577. The reversal of 85252574 is 47525258.

85252574 = 1387² + 1388² + ... + 1429².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85252577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214544 + ... + 214940.

It is an arithmetic number, because the mean of its divisors is an integer number (4491828).

Almost surely, 2^85252574 is an apocalyptic number.

85252574 is a deficient number, since it is larger than the sum of its proper divisors (58485922).

85252574 is a wasteful number, since it uses less digits than its factorization.

85252574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 112000, while the sum is 38.

The square root of 85252574 is about 9233.2320451725. The cubic root of 85252574 is about 440.1180365139.

The spelling of 85252574 in words is "eighty-five million, two hundred fifty-two thousand, five hundred seventy-four".