82151375 has 16 divisors (see below), whose sum is σ = 103119744. Its totient is φ = 65340000.

The previous prime is 82151369. The next prime is 82151401. The reversal of 82151375 is 57315128.

It is not a de Polignac number, because 82151375 - 2⁸ = 82151119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20810 + ... + 24440.

It is an arithmetic number, because the mean of its divisors is an integer number (6444984).

Almost surely, 2^82151375 is an apocalyptic number.

82151375 is a deficient number, since it is larger than the sum of its proper divisors (20968369).

82151375 is a wasteful number, since it uses less digits than its factorization.

82151375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827 (or 3817 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 82151375 is about 9063.7395703981. The cubic root of 82151375 is about 434.7153199671.

The spelling of 82151375 in words is "eighty-two million, one hundred fifty-one thousand, three hundred seventy-five".