253124891 has 2 divisors, whose sum is σ = 253124892. Its totient is φ = 253124890.

The previous prime is 253124863. The next prime is 253124933. The reversal of 253124891 is 198421352.

253124891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253124891 - 2¹⁴ = 253108507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253124801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126562445 + 126562446.

It is an arithmetic number, because the mean of its divisors is an integer number (126562446).

Almost surely, 2^253124891 is an apocalyptic number.

253124891 is a deficient number, since it is larger than the sum of its proper divisors (1).

253124891 is an equidigital number, since it uses as much as digits as its factorization.

253124891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 253124891 is about 15909.8991511574. The cubic root of 253124891 is about 632.5744081771.

It can be divided in two parts, 25312 and 4891, that added together give a palindrome (30203).

The spelling of 253124891 in words is "two hundred fifty-three million, one hundred twenty-four thousand, eight hundred ninety-one".