713526 has 32 divisors (see below), whose sum is σ = 1641600. Its totient is φ = 204480.

The previous prime is 713509. The next prime is 713533. The reversal of 713526 is 625317.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 713496 and 713505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2⁷¹³⁵²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 713526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820800).

713526 is an abundant number, since it is smaller than the sum of its proper divisors (928074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

713526 is a wasteful number, since it uses less digits than its factorization.

713526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its digits is 1260, while the sum is 24.

The square root of 713526 is about 844.7046821227. The cubic root of 713526 is about 89.3586504072.

Subtracting from 713526 its reverse (625317), we obtain a square (88209 = 297²).

The spelling of 713526 in words is "seven hundred thirteen thousand, five hundred twenty-six".