913445297 has 2 divisors, whose sum is σ = 913445298. Its totient is φ = 913445296.

The previous prime is 913445249. The next prime is 913445347. The reversal of 913445297 is 792544319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 911496481 + 1948816 = 30191^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 913445297 - 2⁸ = 913445041 is a prime.

It is a super-2 number, since 2×913445297² = 1668764621222836418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (913445227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456722648 + 456722649.

It is an arithmetic number, because the mean of its divisors is an integer number (456722649).

Almost surely, 2^913445297 is an apocalyptic number.

It is an amenable number.

913445297 is a deficient number, since it is larger than the sum of its proper divisors (1).

913445297 is an equidigital number, since it uses as much as digits as its factorization.

913445297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 913445297 is about 30223.2575510980. The cubic root of 913445297 is about 970.2735250877.

The spelling of 913445297 in words is "nine hundred thirteen million, four hundred forty-five thousand, two hundred ninety-seven".