87252713 has 2 divisors, whose sum is σ = 87252714. Its totient is φ = 87252712.

The previous prime is 87252703. The next prime is 87252733. The reversal of 87252713 is 31725278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86806489 + 446224 = 9317^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 87252713 - 2⁸ = 87252457 is a prime.

It is a super-2 number, since 2×87252713² = 15226071851720738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (87252703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43626356 + 43626357.

It is an arithmetic number, because the mean of its divisors is an integer number (43626357).

Almost surely, 2^87252713 is an apocalyptic number.

It is an amenable number.

87252713 is a deficient number, since it is larger than the sum of its proper divisors (1).

87252713 is an equidigital number, since it uses as much as digits as its factorization.

87252713 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 87252713 is about 9340.9160685663. The cubic root of 87252713 is about 443.5333831865.

The spelling of 87252713 in words is "eighty-seven million, two hundred fifty-two thousand, seven hundred thirteen".