82331153 has 4 divisors (see below), whose sum is σ = 87174180. Its totient is φ = 77488128.

The previous prime is 82331129. The next prime is 82331177. The reversal of 82331153 is 35113328.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82331129) and next prime (82331177).

It can be written as a sum of positive squares in 2 ways, for example, as 33443089 + 48888064 = 5783^2 + 6992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82331153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82331113) 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, 2421488 + ... + 2421521.

It is an arithmetic number, because the mean of its divisors is an integer number (21793545).

Almost surely, 2^82331153 is an apocalyptic number.

It is an amenable number.

82331153 is a deficient number, since it is larger than the sum of its proper divisors (4843027).

82331153 is a wasteful number, since it uses less digits than its factorization.

82331153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843026.

The product of its digits is 2160, while the sum is 26.

The square root of 82331153 is about 9073.6515802625. The cubic root of 82331153 is about 435.0321956177.

The spelling of 82331153 in words is "eighty-two million, three hundred thirty-one thousand, one hundred fifty-three".