725043 has 16 divisors (see below), whose sum is σ = 1069056. Its totient is φ = 433440.

The previous prime is 725041. The next prime is 725057. The reversal of 725043 is 340527.

It is a happy number.

It is not a de Polignac number, because 725043 - 2¹ = 725041 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725043.

It is not an unprimeable number, because it can be changed into a prime (725041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4105 + ... + 4277.

It is an arithmetic number, because the mean of its divisors is an integer number (66816).

2⁷²⁵⁰⁴³ is an apocalyptic number.

725043 is a deficient number, since it is larger than the sum of its proper divisors (344013).

725043 is a wasteful number, since it uses less digits than its factorization.

725043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 725043 is about 851.4945683914. The cubic root of 725043 is about 89.8368649721.

It can be divided in two parts, 72 and 5043, that added together give a palindrome (5115).

The spelling of 725043 in words is "seven hundred twenty-five thousand, forty-three".