725435 has 8 divisors (see below), whose sum is σ = 900720. Its totient is φ = 560224.

The previous prime is 725423. The next prime is 725437. The reversal of 725435 is 534527.

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 725435 - 2⁶ = 725371 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725435.

It is not an unprimeable number, because it can be changed into a prime (725437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (112590).

2⁷²⁵⁴³⁵ is an apocalyptic number.

725435 is a deficient number, since it is larger than the sum of its proper divisors (175285).

725435 is a wasteful number, since it uses less digits than its factorization.

725435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037.

The product of its digits is 4200, while the sum is 26.

The square root of 725435 is about 851.7247207872. The cubic root of 725435 is about 89.8530523827.

The spelling of 725435 in words is "seven hundred twenty-five thousand, four hundred thirty-five".