87232571 has 2 divisors, whose sum is σ = 87232572. Its totient is φ = 87232570.

The previous prime is 87232567. The next prime is 87232603. The reversal of 87232571 is 17523278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87232571 - 2² = 87232567 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87232771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43616285 + 43616286.

It is an arithmetic number, because the mean of its divisors is an integer number (43616286).

Almost surely, 2^87232571 is an apocalyptic number.

87232571 is a deficient number, since it is larger than the sum of its proper divisors (1).

87232571 is an equidigital number, since it uses as much as digits as its factorization.

87232571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 35.

The square root of 87232571 is about 9339.8378465582. The cubic root of 87232571 is about 443.4992511555.

The spelling of 87232571 in words is "eighty-seven million, two hundred thirty-two thousand, five hundred seventy-one".