253136899 has 2 divisors, whose sum is σ = 253136900. Its totient is φ = 253136898.

The previous prime is 253136893. The next prime is 253136903. The reversal of 253136899 is 998631352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253136899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253136893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126568449 + 126568450.

It is an arithmetic number, because the mean of its divisors is an integer number (126568450).

Almost surely, 2^253136899 is an apocalyptic number.

253136899 is a deficient number, since it is larger than the sum of its proper divisors (1).

253136899 is an equidigital number, since it uses as much as digits as its factorization.

253136899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 253136899 is about 15910.2765217956. The cubic root of 253136899 is about 632.5844109250.

The spelling of 253136899 in words is "two hundred fifty-three million, one hundred thirty-six thousand, eight hundred ninety-nine".