725448583 has 4 divisors (see below), whose sum is σ = 726737688. Its totient is φ = 724159480.

The previous prime is 725448553. The next prime is 725448611. The reversal of 725448583 is 385844527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385844527 = 23 ⋅16775849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725448583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725448553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643708 + ... + 644833.

It is an arithmetic number, because the mean of its divisors is an integer number (181684422).

Almost surely, 2^725448583 is an apocalyptic number.

725448583 is a deficient number, since it is larger than the sum of its proper divisors (1289105).

725448583 is a wasteful number, since it uses less digits than its factorization.

725448583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289104.

The product of its digits is 1075200, while the sum is 46.

The square root of 725448583 is about 26934.1527247471. The cubic root of 725448583 is about 898.5361318023.

The spelling of 725448583 in words is "seven hundred twenty-five million, four hundred forty-eight thousand, five hundred eighty-three".