718536131 has 2 divisors, whose sum is σ = 718536132. Its totient is φ = 718536130.

The previous prime is 718536113. The next prime is 718536157. The reversal of 718536131 is 131635817.

Together with previous prime (718536113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-718536131 is a prime.

It is a super-2 number, since 2×718536131² = 1032588343104898322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 718536091 and 718536100.

It is not a weakly prime, because it can be changed into another prime (718532131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359268065 + 359268066.

It is an arithmetic number, because the mean of its divisors is an integer number (359268066).

Almost surely, 2^718536131 is an apocalyptic number.

718536131 is a deficient number, since it is larger than the sum of its proper divisors (1).

718536131 is an equidigital number, since it uses as much as digits as its factorization.

718536131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 718536131 is about 26805.5242627336. The cubic root of 718536131 is about 895.6731122312.

The spelling of 718536131 in words is "seven hundred eighteen million, five hundred thirty-six thousand, one hundred thirty-one".