3204725 has 6 divisors (see below), whose sum is σ = 3973890. Its totient is φ = 2563760.

The previous prime is 3204701. The next prime is 3204739. The reversal of 3204725 is 5274023.

It can be written as a sum of positive squares in 3 ways, for example, as 1110916 + 2093809 = 1054^2 + 1447^2 .

It is not a de Polignac number, because 3204725 - 2⁸ = 3204469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3204725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64070 + ... + 64119.

It is an arithmetic number, because the mean of its divisors is an integer number (662315).

Almost surely, 2^3204725 is an apocalyptic number.

It is an amenable number.

3204725 is a deficient number, since it is larger than the sum of its proper divisors (769165).

3204725 is a wasteful number, since it uses less digits than its factorization.

3204725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128199 (or 128194 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3204725 is about 1790.1745724929. The cubic root of 3204725 is about 147.4337536470.

Adding to 3204725 its reverse (5274023), we get a palindrome (8478748).

The spelling of 3204725 in words is "three million, two hundred four thousand, seven hundred twenty-five".