253125629 has 2 divisors, whose sum is σ = 253125630. Its totient is φ = 253125628.

The previous prime is 253125623. The next prime is 253125641. The reversal of 253125629 is 926521352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243422404 + 9703225 = 15602^2 + 3115^2 .

It is a cyclic number.

It is not a de Polignac number, because 253125629 - 2²⁰ = 252077053 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253125623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126562814 + 126562815.

It is an arithmetic number, because the mean of its divisors is an integer number (126562815).

Almost surely, 2^253125629 is an apocalyptic number.

It is an amenable number.

253125629 is a deficient number, since it is larger than the sum of its proper divisors (1).

253125629 is an equidigital number, since it uses as much as digits as its factorization.

253125629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 253125629 is about 15909.9223442479. The cubic root of 253125629 is about 632.5750229454.

The spelling of 253125629 in words is "two hundred fifty-three million, one hundred twenty-five thousand, six hundred twenty-nine".