713613021 has 8 divisors (see below), whose sum is σ = 1037982624. Its totient is φ = 432492720.

The previous prime is 713613013. The next prime is 713613023. The reversal of 713613021 is 120316317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 713613021 - 2³ = 713613013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 713612982 and 713613000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713613023) 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 7 ways as a sum of consecutive naturals, for example, 10812286 + ... + 10812351.

It is an arithmetic number, because the mean of its divisors is an integer number (129747828).

Almost surely, 2^713613021 is an apocalyptic number.

It is an amenable number.

713613021 is a deficient number, since it is larger than the sum of its proper divisors (324369603).

713613021 is a wasteful number, since it uses less digits than its factorization.

713613021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624651.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 713613021 is about 26713.5362878073. The cubic root of 713613021 is about 893.6228296019.

Adding to 713613021 its reverse (120316317), we get a palindrome (833929338).

The spelling of 713613021 in words is "seven hundred thirteen million, six hundred thirteen thousand, twenty-one".