253953499 has 2 divisors, whose sum is σ = 253953500. Its totient is φ = 253953498.

The previous prime is 253953473. The next prime is 253953503. The reversal of 253953499 is 994359352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253953499 - 2²⁷ = 119735771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253956499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126976749 + 126976750.

It is an arithmetic number, because the mean of its divisors is an integer number (126976750).

Almost surely, 2^253953499 is an apocalyptic number.

253953499 is a deficient number, since it is larger than the sum of its proper divisors (1).

253953499 is an equidigital number, since it uses as much as digits as its factorization.

253953499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1312200, while the sum is 49.

The square root of 253953499 is about 15935.9185176130. The cubic root of 253953499 is about 633.2639035309.

It can be divided in two parts, 253953 and 499, that added together give a palindrome (254452).

The spelling of 253953499 in words is "two hundred fifty-three million, nine hundred fifty-three thousand, four hundred ninety-nine".