1253268499 has 16 divisors (see below), whose sum is σ = 1466919936. Its totient is φ = 1048572000.

The previous prime is 1253268487. The next prime is 1253268517. The reversal of 1253268499 is 9948623521.

It is not a de Polignac number, because 1253268499 - 2⁷ = 1253268371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253268409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37714 + ... + 62680.

It is an arithmetic number, because the mean of its divisors is an integer number (91682496).

Almost surely, 2^1253268499 is an apocalyptic number.

1253268499 is a deficient number, since it is larger than the sum of its proper divisors (213651437).

1253268499 is a wasteful number, since it uses less digits than its factorization.

1253268499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25146.

The product of its digits is 933120, while the sum is 49.

The square root of 1253268499 is about 35401.5324385824. The cubic root of 1253268499 is about 1078.1554302063.

The spelling of 1253268499 in words is "one billion, two hundred fifty-three million, two hundred sixty-eight thousand, four hundred ninety-nine".