913913597 has 2 divisors, whose sum is σ = 913913598. Its totient is φ = 913913596.

The previous prime is 913913563. The next prime is 913913617. The reversal of 913913597 is 795319319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870604036 + 43309561 = 29506^2 + 6581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913913597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913913527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456956798 + 456956799.

It is an arithmetic number, because the mean of its divisors is an integer number (456956799).

Almost surely, 2^913913597 is an apocalyptic number.

It is an amenable number.

913913597 is a deficient number, since it is larger than the sum of its proper divisors (1).

913913597 is an equidigital number, since it uses as much as digits as its factorization.

913913597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 229635, while the sum is 47.

The square root of 913913597 is about 30231.0039032778. The cubic root of 913913597 is about 970.4393082188.

It can be divided in two parts, 913913 and 597, that multiplied together give a triangular number (545606061 = T₃₃₀₃₃).

The spelling of 913913597 in words is "nine hundred thirteen million, nine hundred thirteen thousand, five hundred ninety-seven".