82513650 has 48 divisors (see below), whose sum is σ = 213539904. Its totient is φ = 21046080.

The previous prime is 82513619. The next prime is 82513693. The reversal of 82513650 is 5631528.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8509 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (4448748).

Almost surely, 2^82513650 is an apocalyptic number.

82513650 is an abundant number, since it is smaller than the sum of its proper divisors (131026254).

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

82513650 is a wasteful number, since it uses less digits than its factorization.

82513650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23955 (or 23950 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 82513650 is about 9083.7024389838. The cubic root of 82513650 is about 435.3533923098.

The spelling of 82513650 in words is "eighty-two million, five hundred thirteen thousand, six hundred fifty".