87510601 has 2 divisors, whose sum is σ = 87510602. Its totient is φ = 87510600.

The previous prime is 87510593. The next prime is 87510641. The reversal of 87510601 is 10601578.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71318025 + 16192576 = 8445^2 + 4024^2 .

It is a cyclic number.

It is not a de Polignac number, because 87510601 - 2³ = 87510593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87510601.

It is not a weakly prime, because it can be changed into another prime (87510641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43755300 + 43755301.

It is an arithmetic number, because the mean of its divisors is an integer number (43755301).

Almost surely, 2^87510601 is an apocalyptic number.

It is an amenable number.

87510601 is a deficient number, since it is larger than the sum of its proper divisors (1).

87510601 is an equidigital number, since it uses as much as digits as its factorization.

87510601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 87510601 is about 9354.7100970581. The cubic root of 87510601 is about 443.9699290431.

It can be divided in two parts, 875 and 10601, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 87510601 in words is "eighty-seven million, five hundred ten thousand, six hundred one".