713185505 has 4 divisors (see below), whose sum is σ = 855822612. Its totient is φ = 570548400.

The previous prime is 713185469. The next prime is 713185519. The reversal of 713185505 is 505581317.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137569441 + 575616064 = 11729^2 + 23992^2 .

It is not a de Polignac number, because 713185505 - 2⁶ = 713185441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71318546 + ... + 71318555.

It is an arithmetic number, because the mean of its divisors is an integer number (213955653).

Almost surely, 2^713185505 is an apocalyptic number.

It is an amenable number.

713185505 is a deficient number, since it is larger than the sum of its proper divisors (142637107).

713185505 is a wasteful number, since it uses less digits than its factorization.

713185505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142637106.

The product of its (nonzero) digits is 21000, while the sum is 35.

The square root of 713185505 is about 26705.5332281533. The cubic root of 713185505 is about 893.4443414656. Note that the first 3 decimals are identical.

The spelling of 713185505 in words is "seven hundred thirteen million, one hundred eighty-five thousand, five hundred five".