713581 has 4 divisors (see below), whose sum is σ = 778464. Its totient is φ = 648700.

The previous prime is 713569. The next prime is 713597. The reversal of 713581 is 185317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 713581 - 2¹³ = 705389 is a prime.

It is a super-2 number, since 2×713581² = 1018395687122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32425 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (194616).

2⁷¹³⁵⁸¹ is an apocalyptic number.

It is an amenable number.

713581 is a deficient number, since it is larger than the sum of its proper divisors (64883).

713581 is a wasteful number, since it uses less digits than its factorization.

713581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64882.

The product of its digits is 840, while the sum is 25.

The square root of 713581 is about 844.7372372519. The cubic root of 713581 is about 89.3609463289.

Adding to 713581 its reverse (185317), we get a palindrome (898898).

The spelling of 713581 in words is "seven hundred thirteen thousand, five hundred eighty-one".