713805397 has 2 divisors, whose sum is σ = 713805398. Its totient is φ = 713805396.

The previous prime is 713805377. The next prime is 713805409. The reversal of 713805397 is 793508317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697435281 + 16370116 = 26409^2 + 4046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-713805397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713805317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356902698 + 356902699.

It is an arithmetic number, because the mean of its divisors is an integer number (356902699).

Almost surely, 2^713805397 is an apocalyptic number.

It is an amenable number.

713805397 is a deficient number, since it is larger than the sum of its proper divisors (1).

713805397 is an equidigital number, since it uses as much as digits as its factorization.

713805397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 713805397 is about 26717.1367665025. The cubic root of 713805397 is about 893.7031234188.

The spelling of 713805397 in words is "seven hundred thirteen million, eight hundred five thousand, three hundred ninety-seven".