82510412 has 6 divisors (see below), whose sum is σ = 144393228. Its totient is φ = 41255204.

The previous prime is 82510411. The next prime is 82510457. The reversal of 82510412 is 21401528.

It is not an unprimeable number, because it can be changed into a prime (82510411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10313798 + ... + 10313805.

It is an arithmetic number, because the mean of its divisors is an integer number (24065538).

Almost surely, 2^82510412 is an apocalyptic number.

It is an amenable number.

82510412 is a deficient number, since it is larger than the sum of its proper divisors (61882816).

82510412 is a wasteful number, since it uses less digits than its factorization.

82510412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20627607 (or 20627605 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 82510412 is about 9083.5242059456. The cubic root of 82510412 is about 435.3476975239.

The spelling of 82510412 in words is "eighty-two million, five hundred ten thousand, four hundred twelve".