1253789013 has 16 divisors (see below), whose sum is σ = 1711929600. Its totient is φ = 815992320.

The previous prime is 1253789011. The next prime is 1253789029. The reversal of 1253789013 is 3109873521.

It is not a de Polignac number, because 1253789013 - 2¹ = 1253789011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253789011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8628 + ... + 50813.

It is an arithmetic number, because the mean of its divisors is an integer number (106995600).

Almost surely, 2^1253789013 is an apocalyptic number.

It is an amenable number.

1253789013 is a deficient number, since it is larger than the sum of its proper divisors (458140587).

1253789013 is an equidigital number, since it uses as much as digits as its factorization.

1253789013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59612.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1253789013 is about 35408.8832498287. The cubic root of 1253789013 is about 1078.3046712564.

The spelling of 1253789013 in words is "one billion, two hundred fifty-three million, seven hundred eighty-nine thousand, thirteen".