130525987 has 2 divisors, whose sum is σ = 130525988. Its totient is φ = 130525986.

The previous prime is 130525979. The next prime is 130526009. The reversal of 130525987 is 789525031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130525987 - 2³ = 130525979 is a prime.

It is not a weakly prime, because it can be changed into another prime (130528987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65262993 + 65262994.

It is an arithmetic number, because the mean of its divisors is an integer number (65262994).

Almost surely, 2^130525987 is an apocalyptic number.

130525987 is a deficient number, since it is larger than the sum of its proper divisors (1).

130525987 is an equidigital number, since it uses as much as digits as its factorization.

130525987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 130525987 is about 11424.7970222670. The cubic root of 130525987 is about 507.2619987829.

The spelling of 130525987 in words is "one hundred thirty million, five hundred twenty-five thousand, nine hundred eighty-seven".