23280325 has 6 divisors (see below), whose sum is σ = 28867634. Its totient is φ = 18624240.

The previous prime is 23280317. The next prime is 23280331. The reversal of 23280325 is 52308232.

It can be written as a sum of positive squares in 3 ways, for example, as 6974881 + 16305444 = 2641^2 + 4038^2 .

It is not a de Polignac number, because 23280325 - 2³ = 23280317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 931213 = 23280325 / (2 + 3 + 2 + 8 + 0 + 3 + 2 + 5).

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 23280325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 465582 + ... + 465631.

Almost surely, 2^23280325 is an apocalyptic number.

23280325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23280325 is a deficient number, since it is larger than the sum of its proper divisors (5587309).

23280325 is an equidigital number, since it uses as much as digits as its factorization.

23280325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931223 (or 931218 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23280325 is about 4824.9689118169. The cubic root of 23280325 is about 285.5374080822.

Adding to 23280325 its reverse (52308232), we get a palindrome (75588557).

The spelling of 23280325 in words is "twenty-three million, two hundred eighty thousand, three hundred twenty-five".