253130389 has 2 divisors, whose sum is σ = 253130390. Its totient is φ = 253130388.

The previous prime is 253130333. The next prime is 253130411. The reversal of 253130389 is 983031352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202578289 + 50552100 = 14233^2 + 7110^2 .

It is a cyclic number.

It is not a de Polignac number, because 253130389 - 2²⁵ = 219575957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253130989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126565194 + 126565195.

It is an arithmetic number, because the mean of its divisors is an integer number (126565195).

Almost surely, 2^253130389 is an apocalyptic number.

It is an amenable number.

253130389 is a deficient number, since it is larger than the sum of its proper divisors (1).

253130389 is an equidigital number, since it uses as much as digits as its factorization.

253130389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 253130389 is about 15910.0719357268. The cubic root of 253130389 is about 632.5789880888.

The spelling of 253130389 in words is "two hundred fifty-three million, one hundred thirty thousand, three hundred eighty-nine".