130618897 has 2 divisors, whose sum is σ = 130618898. Its totient is φ = 130618896.

The previous prime is 130618879. The next prime is 130618927. The reversal of 130618897 is 798816031.

Together with previous prime (130618879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101123136 + 29495761 = 10056^2 + 5431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130618897 is a prime.

It is a super-2 number, since 2×130618897² = 34122592506993218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130613897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65309448 + 65309449.

It is an arithmetic number, because the mean of its divisors is an integer number (65309449).

Almost surely, 2^130618897 is an apocalyptic number.

It is an amenable number.

130618897 is a deficient number, since it is larger than the sum of its proper divisors (1).

130618897 is an equidigital number, since it uses as much as digits as its factorization.

130618897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 130618897 is about 11428.8624543303. The cubic root of 130618897 is about 507.3823286761.

The spelling of 130618897 in words is "one hundred thirty million, six hundred eighteen thousand, eight hundred ninety-seven".