82515006 has 48 divisors (see below), whose sum is σ = 204912864. Its totient is φ = 23507712.

The previous prime is 82514983. The next prime is 82515023. The reversal of 82515006 is 60051528.

It is a Curzon number.

It is a congruent number.

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, 56866 + ... + 58298.

It is an arithmetic number, because the mean of its divisors is an integer number (4269018).

Almost surely, 2^82515006 is an apocalyptic number.

82515006 is an abundant number, since it is smaller than the sum of its proper divisors (122397858).

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

82515006 is a wasteful number, since it uses less digits than its factorization.

82515006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 82515006 is about 9083.7770778460. Note that the first 3 decimals coincide. The cubic root of 82515006 is about 435.3557771111.

The spelling of 82515006 in words is "eighty-two million, five hundred fifteen thousand, six".