82525005 has 24 divisors (see below), whose sum is σ = 146535480. Its totient is φ = 42938880.

The previous prime is 82524947. The next prime is 82525031. The reversal of 82525005 is 50052528.

It can be written as a sum of positive squares in 4 ways, for example, as 2762244 + 79762761 = 1662^2 + 8931^2 .

It is not a de Polignac number, because 82525005 - 2¹⁷ = 82393933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82525005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20520 + ... + 24209.

It is an arithmetic number, because the mean of its divisors is an integer number (6105645).

Almost surely, 2^82525005 is an apocalyptic number.

It is an amenable number.

82525005 is a deficient number, since it is larger than the sum of its proper divisors (64010475).

82525005 is a wasteful number, since it uses less digits than its factorization.

82525005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44781 (or 44778 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 82525005 is about 9084.3274379560. The cubic root of 82525005 is about 435.3733615756.

The spelling of 82525005 in words is "eighty-two million, five hundred twenty-five thousand, five".