713506221 has 12 divisors (see below), whose sum is σ = 1084863520. Its totient is φ = 450635400.

The previous prime is 713506219. The next prime is 713506229. The reversal of 713506221 is 122605317.

It is a happy number.

713506221 is a `hidden beast` number, since 7 + 1 + 35 + 0 + 622 + 1 = 666.

It is not a de Polignac number, because 713506221 - 2¹ = 713506219 is a prime.

It is a super-2 number, since 2×713506221² = 1018182254811401682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713506229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2086105 + ... + 2086446.

Almost surely, 2^713506221 is an apocalyptic number.

It is an amenable number.

713506221 is a deficient number, since it is larger than the sum of its proper divisors (371357299).

713506221 is a wasteful number, since it uses less digits than its factorization.

713506221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172576 (or 4172573 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 713506221 is about 26711.5372264495. The cubic root of 713506221 is about 893.5782472316.

The spelling of 713506221 in words is "seven hundred thirteen million, five hundred six thousand, two hundred twenty-one".