1254513017 has 2 divisors, whose sum is σ = 1254513018. Its totient is φ = 1254513016.

The previous prime is 1254512927. The next prime is 1254513023. The reversal of 1254513017 is 7103154521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254293056 + 219961 = 35416^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254513017 - 2²⁰ = 1253464441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254513097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627256508 + 627256509.

It is an arithmetic number, because the mean of its divisors is an integer number (627256509).

Almost surely, 2^1254513017 is an apocalyptic number.

It is an amenable number.

1254513017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254513017 is an equidigital number, since it uses as much as digits as its factorization.

1254513017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1254513017 is about 35419.1052540857. The cubic root of 1254513017 is about 1078.5121880086.

Adding to 1254513017 its reverse (7103154521), we get a palindrome (8357667538).

The spelling of 1254513017 in words is "one billion, two hundred fifty-four million, five hundred thirteen thousand, seventeen".