88542431 has 2 divisors, whose sum is σ = 88542432. Its totient is φ = 88542430.

The previous prime is 88542427. The next prime is 88542437. The reversal of 88542431 is 13424588.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88542431 - 2² = 88542427 is a prime.

It is a super-2 number, since 2×88542431² = 15679524174779522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88542391 and 88542400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88542437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44271215 + 44271216.

It is an arithmetic number, because the mean of its divisors is an integer number (44271216).

Almost surely, 2^88542431 is an apocalyptic number.

88542431 is a deficient number, since it is larger than the sum of its proper divisors (1).

88542431 is an equidigital number, since it uses as much as digits as its factorization.

88542431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 35.

The square root of 88542431 is about 9409.6987730745. The cubic root of 88542431 is about 445.7080526165.

The spelling of 88542431 in words is "eighty-eight million, five hundred forty-two thousand, four hundred thirty-one".