725241 has 8 divisors (see below), whose sum is σ = 1054944. Its totient is φ = 439520.

The previous prime is 725209. The next prime is 725273. The reversal of 725241 is 142527.

725241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (725209) and next prime (725273).

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 725241 - 2⁵ = 725209 is a prime.

725241 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725201) 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, 10956 + ... + 11021.

It is an arithmetic number, because the mean of its divisors is an integer number (131868).

2⁷²⁵²⁴¹ is an apocalyptic number.

It is an amenable number.

725241 is a deficient number, since it is larger than the sum of its proper divisors (329703).

725241 is a wasteful number, since it uses less digits than its factorization.

725241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21991.

The product of its digits is 560, while the sum is 21.

The square root of 725241 is about 851.6108266104. The cubic root of 725241 is about 89.8450419953.

Adding to 725241 its reverse (142527), we get a palindrome (867768).

The spelling of 725241 in words is "seven hundred twenty-five thousand, two hundred forty-one".