713224531 has 4 divisors (see below), whose sum is σ = 729811192. Its totient is φ = 696637872.

The previous prime is 713224493. The next prime is 713224559. The reversal of 713224531 is 135422317.

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

It is a cyclic number.

It is not a de Polignac number, because 713224531 - 2⁹ = 713224019 is a prime.

It is a super-2 number, since 2×713224531² = 1017378463240339922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 713224531.

It is not an unprimeable number, because it can be changed into a prime (713324531) 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, 8293266 + ... + 8293351.

It is an arithmetic number, because the mean of its divisors is an integer number (182452798).

Almost surely, 2^713224531 is an apocalyptic number.

713224531 is a deficient number, since it is larger than the sum of its proper divisors (16586661).

713224531 is a wasteful number, since it uses less digits than its factorization.

713224531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16586660.

The product of its digits is 5040, while the sum is 28.

The square root of 713224531 is about 26706.2638907055. The cubic root of 713224531 is about 893.4606377974.

Adding to 713224531 its reverse (135422317), we get a palindrome (848646848).

The spelling of 713224531 in words is "seven hundred thirteen million, two hundred twenty-four thousand, five hundred thirty-one".