130402553 has 2 divisors, whose sum is σ = 130402554. Its totient is φ = 130402552.

The previous prime is 130402549. The next prime is 130402579. The reversal of 130402553 is 355204031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116467264 + 13935289 = 10792^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 130402553 - 2² = 130402549 is a prime.

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 (130402513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65201276 + 65201277.

It is an arithmetic number, because the mean of its divisors is an integer number (65201277).

Almost surely, 2^130402553 is an apocalyptic number.

It is an amenable number.

130402553 is a deficient number, since it is larger than the sum of its proper divisors (1).

130402553 is an equidigital number, since it uses as much as digits as its factorization.

130402553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 130402553 is about 11419.3937229610. The cubic root of 130402553 is about 507.1020481951.

Adding to 130402553 its reverse (355204031), we get a palindrome (485606584).

The spelling of 130402553 in words is "one hundred thirty million, four hundred two thousand, five hundred fifty-three".