725441 has 8 divisors (see below), whose sum is σ = 776160. Its totient is φ = 675648.

The previous prime is 725437. The next prime is 725447. The reversal of 725441 is 144527.

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

It is not a de Polignac number, because 725441 - 2² = 725437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725447) 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, 2210 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2⁷²⁵⁴⁴¹ is an apocalyptic number.

It is an amenable number.

725441 is a deficient number, since it is larger than the sum of its proper divisors (50719).

725441 is a wasteful number, since it uses less digits than its factorization.

725441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its digits is 1120, while the sum is 23.

The square root of 725441 is about 851.7282430447. The cubic root of 725441 is about 89.8533001039.

Adding to 725441 its reverse (144527), we get a palindrome (869968).

The spelling of 725441 in words is "seven hundred twenty-five thousand, four hundred forty-one".