253011139 has 2 divisors, whose sum is σ = 253011140. Its totient is φ = 253011138.

The previous prime is 253011133. The next prime is 253011151. The reversal of 253011139 is 931110352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253011139 - 2³ = 253011131 is a prime.

It is not a weakly prime, because it can be changed into another prime (253011131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126505569 + 126505570.

It is an arithmetic number, because the mean of its divisors is an integer number (126505570).

Almost surely, 2^253011139 is an apocalyptic number.

253011139 is a deficient number, since it is larger than the sum of its proper divisors (1).

253011139 is an equidigital number, since it uses as much as digits as its factorization.

253011139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 253011139 is about 15906.3238681978. The cubic root of 253011139 is about 632.4796362704.

The spelling of 253011139 in words is "two hundred fifty-three million, eleven thousand, one hundred thirty-nine".