1252415393 has 2 divisors, whose sum is σ = 1252415394. Its totient is φ = 1252415392.

The previous prime is 1252415383. The next prime is 1252415401. The reversal of 1252415393 is 3935142521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1222691089 + 29724304 = 34967^2 + 5452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252415393 - 2²² = 1248221089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252415383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626207696 + 626207697.

It is an arithmetic number, because the mean of its divisors is an integer number (626207697).

Almost surely, 2^1252415393 is an apocalyptic number.

It is an amenable number.

1252415393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252415393 is an equidigital number, since it uses as much as digits as its factorization.

1252415393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 1252415393 is about 35389.4813892490. The cubic root of 1252415393 is about 1077.9107394514.

The spelling of 1252415393 in words is "one billion, two hundred fifty-two million, four hundred fifteen thousand, three hundred ninety-three".