88040531 has 4 divisors (see below), whose sum is σ = 88062072. Its totient is φ = 88018992.

The previous prime is 88040483. The next prime is 88040551. The reversal of 88040531 is 13504088.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88040531 - 2¹⁸ = 87778387 is a prime.

It is a super-2 number, since 2×88040531² = 15502270197523922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88040494 and 88040503.

It is not an unprimeable number, because it can be changed into a prime (88040551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (22015518).

Almost surely, 2^88040531 is an apocalyptic number.

88040531 is a deficient number, since it is larger than the sum of its proper divisors (21541).

88040531 is a wasteful number, since it uses less digits than its factorization.

88040531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21540.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 88040531 is about 9382.9915805142. The cubic root of 88040531 is about 444.8642956151.

The spelling of 88040531 in words is "eighty-eight million, forty thousand, five hundred thirty-one".