1373250317 has 2 divisors, whose sum is σ = 1373250318. Its totient is φ = 1373250316.

The previous prime is 1373250287. The next prime is 1373250341. The reversal of 1373250317 is 7130523731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922579876 + 450670441 = 30374^2 + 21229^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373250317 - 2¹⁸ = 1372988173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373250817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686625158 + 686625159.

It is an arithmetic number, because the mean of its divisors is an integer number (686625159).

Almost surely, 2^1373250317 is an apocalyptic number.

It is an amenable number.

1373250317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373250317 is an equidigital number, since it uses as much as digits as its factorization.

1373250317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 1373250317 is about 37057.3922045251. The cubic root of 1373250317 is about 1111.5181771800.

The spelling of 1373250317 in words is "one billion, three hundred seventy-three million, two hundred fifty thousand, three hundred seventeen".