1254252317 has 2 divisors, whose sum is σ = 1254252318. Its totient is φ = 1254252316.

The previous prime is 1254252289. The next prime is 1254252323. The reversal of 1254252317 is 7132524521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749171641 + 505080676 = 27371^2 + 22474^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254252317 - 2⁶ = 1254252253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254252397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627126158 + 627126159.

It is an arithmetic number, because the mean of its divisors is an integer number (627126159).

Almost surely, 2^1254252317 is an apocalyptic number.

It is an amenable number.

1254252317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254252317 is an equidigital number, since it uses as much as digits as its factorization.

1254252317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 1254252317 is about 35415.4248456799. The cubic root of 1254252317 is about 1078.4374743940.

Adding to 1254252317 its reverse (7132524521), we get a palindrome (8386776838).

The spelling of 1254252317 in words is "one billion, two hundred fifty-four million, two hundred fifty-two thousand, three hundred seventeen".