85131652 has 12 divisors (see below), whose sum is σ = 149163840. Its totient is φ = 42513416.

The previous prime is 85131643. The next prime is 85131653. The reversal of 85131652 is 25613158.

It is not an unprimeable number, because it can be changed into a prime (85131653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9328 + ... + 16039.

It is an arithmetic number, because the mean of its divisors is an integer number (12430320).

Almost surely, 2^85131652 is an apocalyptic number.

It is an amenable number.

85131652 is a deficient number, since it is larger than the sum of its proper divisors (64032188).

85131652 is a wasteful number, since it uses less digits than its factorization.

85131652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26210 (or 26208 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 85131652 is about 9226.6815269630. The cubic root of 85131652 is about 439.9098506770.

The spelling of 85131652 in words is "eighty-five million, one hundred thirty-one thousand, six hundred fifty-two".