713477521 has 3 divisors (see below), whose sum is σ = 713504233. Its totient is φ = 713450810.

The previous prime is 713477497. The next prime is 713477537. The reversal of 713477521 is 125774317.

It is a happy number.

The square root of 713477521 is 26711.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 713477521 - 2⁷ = 713477393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713477581) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13356 + ... + 40066.

Almost surely, 2^713477521 is an apocalyptic number.

713477521 is the 26711-st square number.

713477521 is the 13356-th centered octagonal number.

It is an amenable number.

713477521 is a deficient number, since it is larger than the sum of its proper divisors (26712).

713477521 is an frugal number, since it uses more digits than its factorization.

713477521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53422 (or 26711 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The cubic root of 713477521 is about 893.5662660048.

The spelling of 713477521 in words is "seven hundred thirteen million, four hundred seventy-seven thousand, five hundred twenty-one".