1253268799 has 4 divisors (see below), whose sum is σ = 1253340160. Its totient is φ = 1253197440.

The previous prime is 1253268791. The next prime is 1253268817. The reversal of 1253268799 is 9978623521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1253268799 - 2³ = 1253268791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253268791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11167 + ... + 51295.

It is an arithmetic number, because the mean of its divisors is an integer number (313335040).

Almost surely, 2^1253268799 is an apocalyptic number.

1253268799 is a deficient number, since it is larger than the sum of its proper divisors (71361).

1253268799 is an equidigital number, since it uses as much as digits as its factorization.

1253268799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71360.

The product of its digits is 1632960, while the sum is 52.

The square root of 1253268799 is about 35401.5366756868. The cubic root of 1253268799 is about 1078.1555162338.

The spelling of 1253268799 in words is "one billion, two hundred fifty-three million, two hundred sixty-eight thousand, seven hundred ninety-nine".