85492131 has 8 divisors (see below), whose sum is σ = 114032640. Its totient is φ = 56973192.

The previous prime is 85492129. The next prime is 85492139. The reversal of 85492131 is 13129458.

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

It is not a de Polignac number, because 85492131 - 2¹ = 85492129 is a prime.

It is a super-2 number, since 2×85492131² = 14617808925842322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85492092 and 85492101.

It is not an unprimeable number, because it can be changed into a prime (85492139) 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, 10846 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (14254080).

Almost surely, 2^85492131 is an apocalyptic number.

85492131 is a deficient number, since it is larger than the sum of its proper divisors (28540509).

85492131 is a wasteful number, since it uses less digits than its factorization.

85492131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10785.

The product of its digits is 8640, while the sum is 33.

The square root of 85492131 is about 9246.1954878750. The cubic root of 85492131 is about 440.5298901805.

The spelling of 85492131 in words is "eighty-five million, four hundred ninety-two thousand, one hundred thirty-one".