96231581 has 4 divisors (see below), whose sum is σ = 96428064. Its totient is φ = 96035100.

The previous prime is 96231571. The next prime is 96231589. The reversal of 96231581 is 18513269.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96231581 is a prime.

It is a super-2 number, since 2×96231581² = 18521034363519122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96231589) 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, 97505 + ... + 98486.

It is an arithmetic number, because the mean of its divisors is an integer number (24107016).

Almost surely, 2^96231581 is an apocalyptic number.

It is an amenable number.

96231581 is a deficient number, since it is larger than the sum of its proper divisors (196483).

96231581 is a wasteful number, since it uses less digits than its factorization.

96231581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196482.

The product of its digits is 12960, while the sum is 35.

The square root of 96231581 is about 9809.7696710983. The cubic root of 96231581 is about 458.2535875656.

The spelling of 96231581 in words is "ninety-six million, two hundred thirty-one thousand, five hundred eighty-one".