1253055017 has 2 divisors, whose sum is σ = 1253055018. Its totient is φ = 1253055016.

The previous prime is 1253054981. The next prime is 1253055031. The reversal of 1253055017 is 7105503521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725709721 + 527345296 = 26939^2 + 22964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253055017 - 2¹⁰ = 1253053993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253055317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626527508 + 626527509.

It is an arithmetic number, because the mean of its divisors is an integer number (626527509).

Almost surely, 2^1253055017 is an apocalyptic number.

It is an amenable number.

1253055017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253055017 is an equidigital number, since it uses as much as digits as its factorization.

1253055017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1253055017 is about 35398.5171582088. The cubic root of 1253055017 is about 1078.0942089947.

Adding to 1253055017 its reverse (7105503521), we get a palindrome (8358558538).

The spelling of 1253055017 in words is "one billion, two hundred fifty-three million, fifty-five thousand, seventeen".