82260515 has 8 divisors (see below), whose sum is σ = 101897088. Its totient is φ = 63685440.

The previous prime is 82260511. The next prime is 82260517. The reversal of 82260515 is 51506228.

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

It is not a de Polignac number, because 82260515 - 2² = 82260511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82260511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265202 + ... + 265511.

It is an arithmetic number, because the mean of its divisors is an integer number (12737136).

Almost surely, 2^82260515 is an apocalyptic number.

82260515 is a deficient number, since it is larger than the sum of its proper divisors (19636573).

82260515 is a wasteful number, since it uses less digits than its factorization.

82260515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530749.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 82260515 is about 9069.7582657974. The cubic root of 82260515 is about 434.9077445613.

The spelling of 82260515 in words is "eighty-two million, two hundred sixty thousand, five hundred fifteen".