82502415 has 64 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 42083712.

The previous prime is 82502383. The next prime is 82502417. The reversal of 82502415 is 51420528.

It is a happy number.

It is not a de Polignac number, because 82502415 - 2⁵ = 82502383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82502417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 414486 + ... + 414684.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^82502415 is an apocalyptic number.

82502415 is a deficient number, since it is larger than the sum of its proper divisors (70713585).

82502415 is a wasteful number, since it uses less digits than its factorization.

82502415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 82502415 is about 9083.0840026942. The cubic root of 82502415 is about 435.3336322767. Note that the first 3 decimals are identical.

The spelling of 82502415 in words is "eighty-two million, five hundred two thousand, four hundred fifteen".