1253339733 has 16 divisors (see below), whose sum is σ = 1703638976. Its totient is φ = 819383040.

The previous prime is 1253339729. The next prime is 1253339753. The reversal of 1253339733 is 3379333521.

It is not a de Polignac number, because 1253339733 - 2² = 1253339729 is a prime.

It is a super-2 number, since 2×1253339733² = 3141720972633022578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253339691 and 1253339700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253339753) 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, 51510 + ... + 71832.

It is an arithmetic number, because the mean of its divisors is an integer number (106477436).

Almost surely, 2^1253339733 is an apocalyptic number.

It is an amenable number.

1253339733 is a deficient number, since it is larger than the sum of its proper divisors (450299243).

1253339733 is a wasteful number, since it uses less digits than its factorization.

1253339733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20724.

The product of its digits is 153090, while the sum is 39.

The square root of 1253339733 is about 35402.5385106775. The cubic root of 1253339733 is about 1078.1758567600.

The spelling of 1253339733 in words is "one billion, two hundred fifty-three million, three hundred thirty-nine thousand, seven hundred thirty-three".