304401725 has 12 divisors (see below), whose sum is σ = 378113076. Its totient is φ = 243098880.

The previous prime is 304401707. The next prime is 304401733. The reversal of 304401725 is 527104403.

It can be written as a sum of positive squares in 6 ways, for example, as 38809 + 304362916 = 197^2 + 17446^2 .

It is not a de Polignac number, because 304401725 - 2¹⁶ = 304336189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304401694 and 304401703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4559 + ... + 25091.

It is an arithmetic number, because the mean of its divisors is an integer number (31509423).

Almost surely, 2^304401725 is an apocalyptic number.

It is an amenable number.

304401725 is a deficient number, since it is larger than the sum of its proper divisors (73711351).

304401725 is a wasteful number, since it uses less digits than its factorization.

304401725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21136 (or 21131 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 304401725 is about 17447.1122252366. The cubic root of 304401725 is about 672.6911329142.

The spelling of 304401725 in words is "three hundred four million, four hundred one thousand, seven hundred twenty-five".