253130971 has 2 divisors, whose sum is σ = 253130972. Its totient is φ = 253130970.

The previous prime is 253130957. The next prime is 253130987. The reversal of 253130971 is 179031352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253130971 - 2¹¹ = 253128923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253130921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126565485 + 126565486.

It is an arithmetic number, because the mean of its divisors is an integer number (126565486).

Almost surely, 2^253130971 is an apocalyptic number.

253130971 is a deficient number, since it is larger than the sum of its proper divisors (1).

253130971 is an equidigital number, since it uses as much as digits as its factorization.

253130971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 253130971 is about 15910.0902260169. The cubic root of 253130971 is about 632.5794728991.

The spelling of 253130971 in words is "two hundred fifty-three million, one hundred thirty thousand, nine hundred seventy-one".