23653525 has 18 divisors (see below), whose sum is σ = 34120770. Its totient is φ = 16218720.

The previous prime is 23653523. The next prime is 23653559. The reversal of 23653525 is 52535632.

It can be written as a sum of positive squares in 3 ways, for example, as 53361 + 23600164 = 231^2 + 4858^2 .

It is not a de Polignac number, because 23653525 - 2¹ = 23653523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23653523) 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, 8430 + ... + 10879.

Almost surely, 2^23653525 is an apocalyptic number.

23653525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23653525 is a deficient number, since it is larger than the sum of its proper divisors (10467245).

23653525 is a wasteful number, since it uses less digits than its factorization.

23653525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19333 (or 19321 counting only the distinct ones).

The product of its digits is 27000, while the sum is 31.

The square root of 23653525 is about 4863.4889739774. The cubic root of 23653525 is about 287.0551153321.

The spelling of 23653525 in words is "twenty-three million, six hundred fifty-three thousand, five hundred twenty-five".