82413631 has 2 divisors, whose sum is σ = 82413632. Its totient is φ = 82413630.

The previous prime is 82413599. The next prime is 82413641. The reversal of 82413631 is 13631428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82413631 - 2⁵ = 82413599 is a prime.

It is a super-2 number, since 2×82413631² = 13584013149208322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82413631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82413641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41206815 + 41206816.

It is an arithmetic number, because the mean of its divisors is an integer number (41206816).

Almost surely, 2^82413631 is an apocalyptic number.

82413631 is a deficient number, since it is larger than the sum of its proper divisors (1).

82413631 is an equidigital number, since it uses as much as digits as its factorization.

82413631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 82413631 is about 9078.1953603125. The cubic root of 82413631 is about 435.1774165102.

The spelling of 82413631 in words is "eighty-two million, four hundred thirteen thousand, six hundred thirty-one".