253789799 has 2 divisors, whose sum is σ = 253789800. Its totient is φ = 253789798.

The previous prime is 253789727. The next prime is 253789841. The reversal of 253789799 is 997987352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253789799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253789699) 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, 126894899 + 126894900.

It is an arithmetic number, because the mean of its divisors is an integer number (126894900).

Almost surely, 2^253789799 is an apocalyptic number.

253789799 is a deficient number, since it is larger than the sum of its proper divisors (1).

253789799 is an equidigital number, since it uses as much as digits as its factorization.

253789799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 59.

The square root of 253789799 is about 15930.7814936995. The cubic root of 253789799 is about 633.1278056706.

The spelling of 253789799 in words is "two hundred fifty-three million, seven hundred eighty-nine thousand, seven hundred ninety-nine".