713388961 has 4 divisors (see below), whose sum is σ = 725083924. Its totient is φ = 701694000.

The previous prime is 713388943. The next prime is 713388967. The reversal of 713388961 is 169883317.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213598225 + 499790736 = 14615^2 + 22356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-713388961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713388967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5847390 + ... + 5847511.

It is an arithmetic number, because the mean of its divisors is an integer number (181270981).

Almost surely, 2^713388961 is an apocalyptic number.

It is an amenable number.

713388961 is a deficient number, since it is larger than the sum of its proper divisors (11694963).

713388961 is a wasteful number, since it uses less digits than its factorization.

713388961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694962.

The product of its digits is 217728, while the sum is 46.

The square root of 713388961 is about 26709.3422045546. The cubic root of 713388961 is about 893.5292933366.

The spelling of 713388961 in words is "seven hundred thirteen million, three hundred eighty-eight thousand, nine hundred sixty-one".