253320953 has 2 divisors, whose sum is σ = 253320954. Its totient is φ = 253320952.

The previous prime is 253320943. The next prime is 253321039. The reversal of 253320953 is 359023352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157828969 + 95491984 = 12563^2 + 9772^2 .

It is a cyclic number.

It is not a de Polignac number, because 253320953 - 2⁴ = 253320937 is a prime.

It is not a weakly prime, because it can be changed into another prime (253320943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126660476 + 126660477.

It is an arithmetic number, because the mean of its divisors is an integer number (126660477).

Almost surely, 2^253320953 is an apocalyptic number.

It is an amenable number.

253320953 is a deficient number, since it is larger than the sum of its proper divisors (1).

253320953 is an equidigital number, since it uses as much as digits as its factorization.

253320953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 253320953 is about 15916.0595940076. The cubic root of 253320953 is about 632.7376896247.

The spelling of 253320953 in words is "two hundred fifty-three million, three hundred twenty thousand, nine hundred fifty-three".