253931149 has 2 divisors, whose sum is σ = 253931150. Its totient is φ = 253931148.

The previous prime is 253931141. The next prime is 253931173. The reversal of 253931149 is 941139352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238486249 + 15444900 = 15443^2 + 3930^2 .

It is a cyclic number.

It is not a de Polignac number, because 253931149 - 2³ = 253931141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253931141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126965574 + 126965575.

It is an arithmetic number, because the mean of its divisors is an integer number (126965575).

Almost surely, 2^253931149 is an apocalyptic number.

It is an amenable number.

253931149 is a deficient number, since it is larger than the sum of its proper divisors (1).

253931149 is an equidigital number, since it uses as much as digits as its factorization.

253931149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 253931149 is about 15935.2172561280. The cubic root of 253931149 is about 633.2453255057.

The spelling of 253931149 in words is "two hundred fifty-three million, nine hundred thirty-one thousand, one hundred forty-nine".