82153258 has 16 divisors (see below), whose sum is σ = 137712960. Its totient is φ = 36431200.

The previous prime is 82153249. The next prime is 82153261. The reversal of 82153258 is 85235128.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44638 + ... + 46441.

It is an arithmetic number, because the mean of its divisors is an integer number (8607060).

Almost surely, 2^82153258 is an apocalyptic number.

82153258 is a deficient number, since it is larger than the sum of its proper divisors (55559702).

82153258 is a wasteful number, since it uses less digits than its factorization.

82153258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91133.

The product of its digits is 19200, while the sum is 34.

The square root of 82153258 is about 9063.8434452499. The cubic root of 82153258 is about 434.7186413264.

The spelling of 82153258 in words is "eighty-two million, one hundred fifty-three thousand, two hundred fifty-eight".