82510227 has 12 divisors (see below), whose sum is σ = 120237624. Its totient is φ = 54519360.

The previous prime is 82510199. The next prime is 82510271. The reversal of 82510227 is 72201528.

It is a de Polignac number, because none of the positive numbers 2^k-82510227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82510227.

It is not an unprimeable number, because it can be changed into a prime (82510277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39549 + ... + 41582.

It is an arithmetic number, because the mean of its divisors is an integer number (10019802).

Almost surely, 2^82510227 is an apocalyptic number.

82510227 is a deficient number, since it is larger than the sum of its proper divisors (37727397).

82510227 is a wasteful number, since it uses less digits than its factorization.

82510227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81250 (or 81247 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 82510227 is about 9083.5140226677. The cubic root of 82510227 is about 435.3473721533.

The spelling of 82510227 in words is "eighty-two million, five hundred ten thousand, two hundred twenty-seven".