718525 has 12 divisors (see below), whose sum is σ = 914004. Its totient is φ = 560000.

The previous prime is 718513. The next prime is 718541. The reversal of 718525 is 525817.

It can be written as a sum of positive squares in 6 ways, for example, as 34596 + 683929 = 186^2 + 827^2 .

It is not a de Polignac number, because 718525 - 2⁵ = 718493 is a prime.

It is a Duffinian number.

718525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 718493 and 718502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (76167).

2⁷¹⁸⁵²⁵ is an apocalyptic number.

It is an amenable number.

718525 is a deficient number, since it is larger than the sum of its proper divisors (195479).

718525 is a wasteful number, since it uses less digits than its factorization.

718525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 747 counting only the distinct ones).

The product of its digits is 2800, while the sum is 28.

The square root of 718525 is about 847.6585397435. The cubic root of 718525 is about 89.5668487185.

The spelling of 718525 in words is "seven hundred eighteen thousand, five hundred twenty-five".