23189525 has 12 divisors (see below), whose sum is σ = 28866084. Its totient is φ = 18480000.

The previous prime is 23189459. The next prime is 23189527. The reversal of 23189525 is 52598132.

It can be written as a sum of positive squares in 6 ways, for example, as 996004 + 22193521 = 998^2 + 4711^2 .

It is not a de Polignac number, because 23189525 - 2¹⁸ = 22927381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23189527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5375 + ... + 8675.

It is an arithmetic number, because the mean of its divisors is an integer number (2405507).

Almost surely, 2^23189525 is an apocalyptic number.

23189525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23189525 is a deficient number, since it is larger than the sum of its proper divisors (5676559).

23189525 is a wasteful number, since it uses less digits than its factorization.

23189525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3587 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 23189525 is about 4815.5503319974. The cubic root of 23189525 is about 285.1656982483.

The spelling of 23189525 in words is "twenty-three million, one hundred eighty-nine thousand, five hundred twenty-five".