731125 has 8 divisors (see below), whose sum is σ = 912600. Its totient is φ = 584800.

The previous prime is 731117. The next prime is 731141. The reversal of 731125 is 521137.

It can be written as a sum of positive squares in 4 ways, for example, as 62001 + 669124 = 249^2 + 818^2 .

It is not a de Polignac number, because 731125 - 2³ = 731117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800 + ... + 3049.

It is an arithmetic number, because the mean of its divisors is an integer number (114075).

2⁷³¹¹²⁵ is an apocalyptic number.

It is an amenable number.

731125 is a deficient number, since it is larger than the sum of its proper divisors (181475).

731125 is an equidigital number, since it uses as much as digits as its factorization.

731125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864 (or 5854 counting only the distinct ones).

The product of its digits is 210, while the sum is 19.

The square root of 731125 is about 855.0584775324. The cubic root of 731125 is about 90.0873637276.

The spelling of 731125 in words is "seven hundred thirty-one thousand, one hundred twenty-five".