88742531 has 2 divisors, whose sum is σ = 88742532. Its totient is φ = 88742530.

The previous prime is 88742513. The next prime is 88742543. The reversal of 88742531 is 13524788.

Together with previous prime (88742513) 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 88742531 - 2¹⁸ = 88480387 is a prime.

It is a super-2 number, since 2×88742531² = 15750473616571922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88742501) 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, 44371265 + 44371266.

It is an arithmetic number, because the mean of its divisors is an integer number (44371266).

Almost surely, 2^88742531 is an apocalyptic number.

88742531 is a deficient number, since it is larger than the sum of its proper divisors (1).

88742531 is an equidigital number, since it uses as much as digits as its factorization.

88742531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 88742531 is about 9420.3254190076. The cubic root of 88742531 is about 446.0435568472.

The spelling of 88742531 in words is "eighty-eight million, seven hundred forty-two thousand, five hundred thirty-one".