82566250 has 40 divisors (see below), whose sum is σ = 166699764. Its totient is φ = 30480000.

The previous prime is 82566241. The next prime is 82566257. The reversal of 82566250 is 5266528.

It can be written as a sum of positive squares in 10 ways, for example, as 32821441 + 49744809 = 5729^2 + 7053^2 .

It is not an unprimeable number, because it can be changed into a prime (82566257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13710 + ... + 18790.

Almost surely, 2^82566250 is an apocalyptic number.

82566250 is an abundant number, since it is smaller than the sum of its proper divisors (84133514).

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

82566250 is a wasteful number, since it uses less digits than its factorization.

82566250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 5101 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 82566250 is about 9086.5972729069. The cubic root of 82566250 is about 435.4458809434.

The spelling of 82566250 in words is "eighty-two million, five hundred sixty-six thousand, two hundred fifty".