253914553 has 2 divisors, whose sum is σ = 253914554. Its totient is φ = 253914552.

The previous prime is 253914511. The next prime is 253914569. The reversal of 253914553 is 355419352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252587449 + 1327104 = 15893^2 + 1152^2 .

It is a cyclic number.

It is not a de Polignac number, because 253914553 - 2⁹ = 253914041 is a prime.

It is not a weakly prime, because it can be changed into another prime (253912553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126957276 + 126957277.

It is an arithmetic number, because the mean of its divisors is an integer number (126957277).

Almost surely, 2^253914553 is an apocalyptic number.

It is an amenable number.

253914553 is a deficient number, since it is larger than the sum of its proper divisors (1).

253914553 is an equidigital number, since it uses as much as digits as its factorization.

253914553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 253914553 is about 15934.6965142107. The cubic root of 253914553 is about 633.2315296816.

The spelling of 253914553 in words is "two hundred fifty-three million, nine hundred fourteen thousand, five hundred fifty-three".