86274131 has 2 divisors, whose sum is σ = 86274132. Its totient is φ = 86274130.

The previous prime is 86274119. The next prime is 86274161. The reversal of 86274131 is 13147268.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86274131 is a prime.

It is a super-2 number, since 2×86274131² = 14886451359610322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86274161) 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, 43137065 + 43137066.

It is an arithmetic number, because the mean of its divisors is an integer number (43137066).

Almost surely, 2^86274131 is an apocalyptic number.

86274131 is a deficient number, since it is larger than the sum of its proper divisors (1).

86274131 is an equidigital number, since it uses as much as digits as its factorization.

86274131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 86274131 is about 9288.3868890136. The cubic root of 86274131 is about 441.8689970956.

The spelling of 86274131 in words is "eighty-six million, two hundred seventy-four thousand, one hundred thirty-one".