725124903 has 12 divisors (see below), whose sum is σ = 1000518840. Its totient is φ = 466585392.

The previous prime is 725124901. The next prime is 725124923. The reversal of 725124903 is 309421527.

725124903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725124903 - 2¹ = 725124901 is a prime.

It is a super-2 number, since 2×725124903² = 1051612249901518818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725124901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249726 + ... + 252612.

It is an arithmetic number, because the mean of its divisors is an integer number (83376570).

Almost surely, 2^725124903 is an apocalyptic number.

725124903 is a deficient number, since it is larger than the sum of its proper divisors (275393937).

725124903 is an frugal number, since it uses more digits than its factorization.

725124903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 725124903 is about 26928.1433262674. The cubic root of 725124903 is about 898.4024759063.

The spelling of 725124903 in words is "seven hundred twenty-five million, one hundred twenty-four thousand, nine hundred three".