253628129 has 2 divisors, whose sum is σ = 253628130. Its totient is φ = 253628128.

The previous prime is 253628101. The next prime is 253628191. The reversal of 253628129 is 921826352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222010000 + 31618129 = 14900^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 253628129 - 2⁸ = 253627873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253628092 and 253628101.

It is not a weakly prime, because it can be changed into another prime (253621129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126814064 + 126814065.

It is an arithmetic number, because the mean of its divisors is an integer number (126814065).

Almost surely, 2^253628129 is an apocalyptic number.

It is an amenable number.

253628129 is a deficient number, since it is larger than the sum of its proper divisors (1).

253628129 is an equidigital number, since it uses as much as digits as its factorization.

253628129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 253628129 is about 15925.7065463357. The cubic root of 253628129 is about 632.9933380716.

The spelling of 253628129 in words is "two hundred fifty-three million, six hundred twenty-eight thousand, one hundred twenty-nine".