713531 has 8 divisors (see below), whose sum is σ = 878304. Its totient is φ = 564480.

The previous prime is 713509. The next prime is 713533. The reversal of 713531 is 135317.

It is a happy number.

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

It is not a de Polignac number, because 713531 - 2⁶ = 713467 is a prime.

It is a super-2 number, since 2×713531² = 1018252975922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (713533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3830 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (109788).

2⁷¹³⁵³¹ is an apocalyptic number.

713531 is a deficient number, since it is larger than the sum of its proper divisors (164773).

713531 is a wasteful number, since it uses less digits than its factorization.

713531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861.

The product of its digits is 315, while the sum is 20.

The square root of 713531 is about 844.7076417317. The cubic root of 713531 is about 89.3588591322.

Adding to 713531 its reverse (135317), we get a palindrome (848848).

The spelling of 713531 in words is "seven hundred thirteen thousand, five hundred thirty-one".