87052571 has 2 divisors, whose sum is σ = 87052572. Its totient is φ = 87052570.

The previous prime is 87052561. The next prime is 87052621. The reversal of 87052571 is 17525078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87052571 is a prime.

It is not a weakly prime, because it can be changed into another prime (87052541) 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, 43526285 + 43526286.

It is an arithmetic number, because the mean of its divisors is an integer number (43526286).

Almost surely, 2^87052571 is an apocalyptic number.

87052571 is a deficient number, since it is larger than the sum of its proper divisors (1).

87052571 is an equidigital number, since it uses as much as digits as its factorization.

87052571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 87052571 is about 9330.1967289013. The cubic root of 87052571 is about 443.1939950047.

The spelling of 87052571 in words is "eighty-seven million, fifty-two thousand, five hundred seventy-one".