23561325 has 18 divisors (see below), whose sum is σ = 42201354. Its totient is φ = 12565920.

The previous prime is 23561323. The next prime is 23561327. The reversal of 23561325 is 52316532.

23561325 is a `hidden beast` number, since 23 + 5 + 613 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (23561323) and next prime (23561327).

It can be written as a sum of positive squares in 3 ways, for example, as 9 + 23561316 = 3^2 + 4854^2 .

It is not a de Polignac number, because 23561325 - 2¹ = 23561323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23561323) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 52134 + ... + 52583.

Almost surely, 2^23561325 is an apocalyptic number.

23561325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23561325 is a deficient number, since it is larger than the sum of its proper divisors (18640029).

23561325 is a wasteful number, since it uses less digits than its factorization.

23561325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104733 (or 104725 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23561325 is about 4854.0009270704. Note that the first 3 decimals coincide. The cubic root of 23561325 is about 286.6816552165.

Adding to 23561325 its reverse (52316532), we get a palindrome (75877857).

The spelling of 23561325 in words is "twenty-three million, five hundred sixty-one thousand, three hundred twenty-five".