82125375 has 16 divisors (see below), whose sum is σ = 136657248. Its totient is φ = 43800000.

The previous prime is 82125371. The next prime is 82125377. The reversal of 82125375 is 57352128.

It is not a de Polignac number, because 82125375 - 2² = 82125371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82125371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109126 + ... + 109875.

It is an arithmetic number, because the mean of its divisors is an integer number (8541078).

Almost surely, 2^82125375 is an apocalyptic number.

82125375 is a deficient number, since it is larger than the sum of its proper divisors (54531873).

82125375 is a wasteful number, since it uses less digits than its factorization.

82125375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219019 (or 219009 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 82125375 is about 9062.3051703195. The cubic root of 82125375 is about 434.6694542673.

The spelling of 82125375 in words is "eighty-two million, one hundred twenty-five thousand, three hundred seventy-five".