713521445 has 16 divisors (see below), whose sum is σ = 1053816960. Its totient is φ = 451635264.

The previous prime is 713521441. The next prime is 713521463. The reversal of 713521445 is 544125317.

713521445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 713521445 - 2² = 713521441 is a prime.

It is a super-2 number, since 2×713521445² = 1018225704949776050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713521441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783635 + ... + 784544.

It is an arithmetic number, because the mean of its divisors is an integer number (65863560).

Almost surely, 2^713521445 is an apocalyptic number.

It is an amenable number.

713521445 is a deficient number, since it is larger than the sum of its proper divisors (340295515).

713521445 is a wasteful number, since it uses less digits than its factorization.

713521445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568204.

The product of its digits is 16800, while the sum is 32.

The square root of 713521445 is about 26711.8221954250. The cubic root of 713521445 is about 893.5846025784.

The spelling of 713521445 in words is "seven hundred thirteen million, five hundred twenty-one thousand, four hundred forty-five".