82510907 has 4 divisors (see below), whose sum is σ = 82531176. Its totient is φ = 82490640.

The previous prime is 82510891. The next prime is 82510919. The reversal of 82510907 is 70901528.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82510907 - 2⁴ = 82510891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82510927) 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 3 ways as a sum of consecutive naturals, for example, 1673 + ... + 12954.

It is an arithmetic number, because the mean of its divisors is an integer number (20632794).

Almost surely, 2^82510907 is an apocalyptic number.

82510907 is a deficient number, since it is larger than the sum of its proper divisors (20269).

82510907 is a wasteful number, since it uses less digits than its factorization.

82510907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 82510907 is about 9083.5514530386. The cubic root of 82510907 is about 435.3485681076.

The spelling of 82510907 in words is "eighty-two million, five hundred ten thousand, nine hundred seven".