23242525 has 12 divisors (see below), whose sum is σ = 29295124. Its totient is φ = 18288000.

The previous prime is 23242523. The next prime is 23242547. The reversal of 23242525 is 52524232.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1879641 + 21362884 = 1371^2 + 4622^2 .

It is not a de Polignac number, because 23242525 - 2¹ = 23242523 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23242525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242523) 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 11 ways as a sum of consecutive naturals, for example, 6096 + ... + 9145.

Almost surely, 2^23242525 is an apocalyptic number.

23242525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23242525 is a deficient number, since it is larger than the sum of its proper divisors (6052599).

23242525 is a wasteful number, since it uses less digits than its factorization.

23242525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15312 (or 15307 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 23242525 is about 4821.0501967932. The cubic root of 23242525 is about 285.3827830793.

Adding to 23242525 its reverse (52524232), we get a palindrome (75766757).

The spelling of 23242525 in words is "twenty-three million, two hundred forty-two thousand, five hundred twenty-five".