1253158793 has 2 divisors, whose sum is σ = 1253158794. Its totient is φ = 1253158792.

The previous prime is 1253158783. The next prime is 1253158853. The reversal of 1253158793 is 3978513521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824378944 + 428779849 = 28712^2 + 20707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253158793 - 2⁶ = 1253158729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253158763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626579396 + 626579397.

It is an arithmetic number, because the mean of its divisors is an integer number (626579397).

Almost surely, 2^1253158793 is an apocalyptic number.

It is an amenable number.

1253158793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253158793 is an equidigital number, since it uses as much as digits as its factorization.

1253158793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 1253158793 is about 35399.9829519733. The cubic root of 1253158793 is about 1078.1239701823.

The spelling of 1253158793 in words is "one billion, two hundred fifty-three million, one hundred fifty-eight thousand, seven hundred ninety-three".