82525574 has 4 divisors (see below), whose sum is σ = 123788364. Its totient is φ = 41262786.

The previous prime is 82525567. The next prime is 82525589. The reversal of 82525574 is 47552528.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20631392 + ... + 20631395.

It is an arithmetic number, because the mean of its divisors is an integer number (30947091).

Almost surely, 2^82525574 is an apocalyptic number.

82525574 is a deficient number, since it is larger than the sum of its proper divisors (41262790).

82525574 is a wasteful number, since it uses less digits than its factorization.

82525574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41262789.

The product of its digits is 112000, while the sum is 38.

The square root of 82525574 is about 9084.3587555754. The cubic root of 82525574 is about 435.3743621890.

The spelling of 82525574 in words is "eighty-two million, five hundred twenty-five thousand, five hundred seventy-four".