918725 has 6 divisors (see below), whose sum is σ = 1139250. Its totient is φ = 734960.

The previous prime is 918683. The next prime is 918733. The reversal of 918725 is 527819.

It can be written as a sum of positive squares in 3 ways, for example, as 961 + 917764 = 31^2 + 958^2 .

It is not a de Polignac number, because 918725 - 2⁸ = 918469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 918691 and 918700.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 918725.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18350 + ... + 18399.

It is an arithmetic number, because the mean of its divisors is an integer number (189875).

2⁹¹⁸⁷²⁵ is an apocalyptic number.

It is an amenable number.

918725 is a deficient number, since it is larger than the sum of its proper divisors (220525).

918725 is a wasteful number, since it uses less digits than its factorization.

918725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36759 (or 36754 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 918725 is about 958.5014345321. The cubic root of 918725 is about 97.2139324753.

The spelling of 918725 in words is "nine hundred eighteen thousand, seven hundred twenty-five".