130637501 has 2 divisors, whose sum is σ = 130637502. Its totient is φ = 130637500.

The previous prime is 130637497. The next prime is 130637509. The reversal of 130637501 is 105736031.

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., 127125625 + 3511876 = 11275^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 130637501 - 2² = 130637497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130637509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65318750 + 65318751.

It is an arithmetic number, because the mean of its divisors is an integer number (65318751).

Almost surely, 2^130637501 is an apocalyptic number.

It is an amenable number.

130637501 is a deficient number, since it is larger than the sum of its proper divisors (1).

130637501 is an equidigital number, since it uses as much as digits as its factorization.

130637501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 130637501 is about 11429.6763296254. The cubic root of 130637501 is about 507.4064162902.

The spelling of 130637501 in words is "one hundred thirty million, six hundred thirty-seven thousand, five hundred one".