1253190797 has 2 divisors, whose sum is σ = 1253190798. Its totient is φ = 1253190796.

The previous prime is 1253190793. The next prime is 1253190859. The reversal of 1253190797 is 7970913521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048529161 + 204661636 = 32381^2 + 14306^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253190797 - 2² = 1253190793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253190791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626595398 + 626595399.

It is an arithmetic number, because the mean of its divisors is an integer number (626595399).

Almost surely, 2^1253190797 is an apocalyptic number.

It is an amenable number.

1253190797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253190797 is an equidigital number, since it uses as much as digits as its factorization.

1253190797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 1253190797 is about 35400.4349832032. The cubic root of 1253190797 is about 1078.1331480524.

The spelling of 1253190797 in words is "one billion, two hundred fifty-three million, one hundred ninety thousand, seven hundred ninety-seven".