82631375 has 16 divisors (see below), whose sum is σ = 103693824. Its totient is φ = 65740000.

The previous prime is 82631371. The next prime is 82631431. The reversal of 82631375 is 57313628.

It is not a de Polignac number, because 82631375 - 2² = 82631371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82631371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22145 + ... + 25605.

It is an arithmetic number, because the mean of its divisors is an integer number (6480864).

Almost surely, 2^82631375 is an apocalyptic number.

82631375 is a deficient number, since it is larger than the sum of its proper divisors (21062449).

82631375 is a wasteful number, since it uses less digits than its factorization.

82631375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3657 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 82631375 is about 9090.1801412293. The cubic root of 82631375 is about 435.5603383650.

The spelling of 82631375 in words is "eighty-two million, six hundred thirty-one thousand, three hundred seventy-five".