80682525 has 72 divisors (see below), whose sum is σ = 180208704. Its totient is φ = 33523200.

The previous prime is 80682521. The next prime is 80682571. The reversal of 80682525 is 52528608.

It is not a de Polignac number, because 80682525 - 2² = 80682521 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80682525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80682521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14997 + ... + 19653.

Almost surely, 2^80682525 is an apocalyptic number.

It is an amenable number.

80682525 is an abundant number, since it is smaller than the sum of its proper divisors (99526179).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80682525 is a wasteful number, since it uses less digits than its factorization.

80682525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 80682525 is about 8982.3451837480. The cubic root of 80682525 is about 432.1088492432.

The spelling of 80682525 in words is "eighty million, six hundred eighty-two thousand, five hundred twenty-five".