8459131 has 2 divisors, whose sum is σ = 8459132. Its totient is φ = 8459130.

The previous prime is 8459119. The next prime is 8459141. The reversal of 8459131 is 1319548.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8459131 is a prime.

It is a super-2 number, since 2×8459131² = 143113794550322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8459093 and 8459102.

It is not a weakly prime, because it can be changed into another prime (8459141) 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, 4229565 + 4229566.

It is an arithmetic number, because the mean of its divisors is an integer number (4229566).

Almost surely, 2^8459131 is an apocalyptic number.

8459131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8459131 is an equidigital number, since it uses as much as digits as its factorization.

8459131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 8459131 is about 2908.4585264363. The cubic root of 8459131 is about 203.7551448385.

The spelling of 8459131 in words is "eight million, four hundred fifty-nine thousand, one hundred thirty-one".