725803 has 8 divisors (see below), whose sum is σ = 807296. Its totient is φ = 648000.

The previous prime is 725801. The next prime is 725807. The reversal of 725803 is 308527.

725803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725803 - 2¹ = 725801 is a prime.

It is a Duffinian number.

725803 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (725801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (100912).

2⁷²⁵⁸⁰³ is an apocalyptic number.

725803 is a deficient number, since it is larger than the sum of its proper divisors (81493).

725803 is a wasteful number, since it uses less digits than its factorization.

725803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 725803 is about 851.9407256376. The cubic root of 725803 is about 89.8682434215.

The spelling of 725803 in words is "seven hundred twenty-five thousand, eight hundred three".