25204325 has 12 divisors (see below), whose sum is σ = 31362948. Its totient is φ = 20092800.

The previous prime is 25204259. The next prime is 25204337. The reversal of 25204325 is 52340252.

25204325 = 113² + 114² + ... + 425².

It can be written as a sum of positive squares in 6 ways, for example, as 2982529 + 22221796 = 1727^2 + 4714^2 .

It is not a de Polignac number, because 25204325 - 2¹⁰ = 25203301 is a prime.

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 25204325.

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, 6215 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (2613579).

Almost surely, 2^25204325 is an apocalyptic number.

25204325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25204325 is a deficient number, since it is larger than the sum of its proper divisors (6158623).

25204325 is a wasteful number, since it uses less digits than its factorization.

25204325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25204325 is about 5020.3909210339. The cubic root of 25204325 is about 293.1962133173.

Adding to 25204325 its reverse (52340252), we get a palindrome (77544577).

The spelling of 25204325 in words is "twenty-five million, two hundred four thousand, three hundred twenty-five".