917253913 has 2 divisors, whose sum is σ = 917253914. Its totient is φ = 917253912.

The previous prime is 917253877. The next prime is 917253949. The reversal of 917253913 is 319352719.

It is a balanced prime because it is at equal distance from previous prime (917253877) and next prime (917253949).

It can be written as a sum of positive squares in only one way, i.e., 586995984 + 330257929 = 24228^2 + 18173^2 .

It is a cyclic number.

It is not a de Polignac number, because 917253913 - 2¹⁷ = 917122841 is a prime.

It is not a weakly prime, because it can be changed into another prime (917253413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458626956 + 458626957.

It is an arithmetic number, because the mean of its divisors is an integer number (458626957).

Almost surely, 2^917253913 is an apocalyptic number.

It is an amenable number.

917253913 is a deficient number, since it is larger than the sum of its proper divisors (1).

917253913 is an equidigital number, since it uses as much as digits as its factorization.

917253913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 40.

The square root of 917253913 is about 30286.2000422635. The cubic root of 917253913 is about 971.6201757487.

The spelling of 917253913 in words is "nine hundred seventeen million, two hundred fifty-three thousand, nine hundred thirteen".