85153497 has 64 divisors (see below), whose sum is σ = 145367040. Its totient is φ = 43545600.

The previous prime is 85153477. The next prime is 85153501. The reversal of 85153497 is 79435158.

It is not a de Polignac number, because 85153497 - 2¹¹ = 85151449 is a prime.

It is a super-2 number, since 2×85153497² = 14502236102658018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85153427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252513 + ... + 252849.

It is an arithmetic number, because the mean of its divisors is an integer number (2271360).

Almost surely, 2^85153497 is an apocalyptic number.

It is an amenable number.

85153497 is a deficient number, since it is larger than the sum of its proper divisors (60213543).

85153497 is a wasteful number, since it uses less digits than its factorization.

85153497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its digits is 151200, while the sum is 42.

The square root of 85153497 is about 9227.8652460902. The cubic root of 85153497 is about 439.9474747906.

The spelling of 85153497 in words is "eighty-five million, one hundred fifty-three thousand, four hundred ninety-seven".