461130251 has 2 divisors, whose sum is σ = 461130252. Its totient is φ = 461130250.

The previous prime is 461130221. The next prime is 461130259. The reversal of 461130251 is 152031164.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461130251 is a prime.

It is a super-2 number, since 2×461130251² = 425282216774646002, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (461130259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230565125 + 230565126.

It is an arithmetic number, because the mean of its divisors is an integer number (230565126).

Almost surely, 2^461130251 is an apocalyptic number.

461130251 is a deficient number, since it is larger than the sum of its proper divisors (1).

461130251 is an equidigital number, since it uses as much as digits as its factorization.

461130251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 461130251 is about 21473.9435362953. The cubic root of 461130251 is about 772.5759855155.

The spelling of 461130251 in words is "four hundred sixty-one million, one hundred thirty thousand, two hundred fifty-one".