713858121 has 6 divisors (see below), whose sum is σ = 1031128410. Its totient is φ = 475905408.

The previous prime is 713858099. The next prime is 713858129. The reversal of 713858121 is 121858317.

713858121 is a `hidden beast` number, since 71 + 3 + 8 + 581 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 566963721 + 146894400 = 23811^2 + 12120^2 .

It is not a de Polignac number, because 713858121 - 2⁷ = 713857993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (713858129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39658776 + ... + 39658793.

It is an arithmetic number, because the mean of its divisors is an integer number (171854735).

Almost surely, 2^713858121 is an apocalyptic number.

It is an amenable number.

713858121 is a deficient number, since it is larger than the sum of its proper divisors (317270289).

713858121 is a wasteful number, since it uses less digits than its factorization.

713858121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79317575 (or 79317572 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 713858121 is about 26718.1234558118. The cubic root of 713858121 is about 893.7251268218.

The spelling of 713858121 in words is "seven hundred thirteen million, eight hundred fifty-eight thousand, one hundred twenty-one".