82634513 has 8 divisors (see below), whose sum is σ = 89311656. Its totient is φ = 76003200.

The previous prime is 82634509. The next prime is 82634521. The reversal of 82634513 is 31543628.

It can be written as a sum of positive squares in 4 ways, for example, as 26863489 + 55771024 = 5183^2 + 7468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82634513 - 2² = 82634509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82634513.

It is not an unprimeable number, because it can be changed into a prime (82634533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7658 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (11163957).

Almost surely, 2^82634513 is an apocalyptic number.

It is an amenable number.

82634513 is a deficient number, since it is larger than the sum of its proper divisors (6677143).

82634513 is a wasteful number, since it uses less digits than its factorization.

82634513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915.

The product of its digits is 17280, while the sum is 32.

The square root of 82634513 is about 9090.3527434308. The cubic root of 82634513 is about 435.5658518924.

The spelling of 82634513 in words is "eighty-two million, six hundred thirty-four thousand, five hundred thirteen".