8456131 has 2 divisors, whose sum is σ = 8456132. Its totient is φ = 8456130.

The previous prime is 8456113. The next prime is 8456141. The reversal of 8456131 is 1316548.

Together with previous prime (8456113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8456131 - 2¹³ = 8447939 is a prime.

It is a super-2 number, since 2×8456131² = 143012302978322, which contains 22 as substring.

It is equal to p₅₆₈₃₆₀ and since 8456131 and 568360 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8456131.

It is not a weakly prime, because it can be changed into another prime (8456141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228065 + 4228066.

It is an arithmetic number, because the mean of its divisors is an integer number (4228066).

Almost surely, 2^8456131 is an apocalyptic number.

8456131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8456131 is an equidigital number, since it uses as much as digits as its factorization.

8456131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 8456131 is about 2907.9427435904. The cubic root of 8456131 is about 203.7310549838.

The spelling of 8456131 in words is "eight million, four hundred fifty-six thousand, one hundred thirty-one".