253450129 has 2 divisors, whose sum is σ = 253450130. Its totient is φ = 253450128.

The previous prime is 253450123. The next prime is 253450147. The reversal of 253450129 is 921054352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235683904 + 17766225 = 15352^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 253450129 - 2⁵ = 253450097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253450129.

It is not a weakly prime, because it can be changed into another prime (253450123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126725064 + 126725065.

It is an arithmetic number, because the mean of its divisors is an integer number (126725065).

Almost surely, 2^253450129 is an apocalyptic number.

It is an amenable number.

253450129 is a deficient number, since it is larger than the sum of its proper divisors (1).

253450129 is an equidigital number, since it uses as much as digits as its factorization.

253450129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 253450129 is about 15920.1171164034. The cubic root of 253450129 is about 632.8452220308.

The spelling of 253450129 in words is "two hundred fifty-three million, four hundred fifty thousand, one hundred twenty-nine".