725583 has 4 divisors (see below), whose sum is σ = 967448. Its totient is φ = 483720.

The previous prime is 725579. The next prime is 725587. The reversal of 725583 is 385527.

It is a happy number.

725583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385527 = 3 ⋅128509.

It is an interprime number because it is at equal distance from previous prime (725579) and next prime (725587).

It is not a de Polignac number, because 725583 - 2² = 725579 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725587) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120928 + ... + 120933.

It is an arithmetic number, because the mean of its divisors is an integer number (241862).

2⁷²⁵⁵⁸³ is an apocalyptic number.

725583 is a deficient number, since it is larger than the sum of its proper divisors (241865).

725583 is a wasteful number, since it uses less digits than its factorization.

725583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241864.

The product of its digits is 8400, while the sum is 30.

The square root of 725583 is about 851.8115988879. The cubic root of 725583 is about 89.8591624397.

The spelling of 725583 in words is "seven hundred twenty-five thousand, five hundred eighty-three".