23775525 has 60 divisors (see below), whose sum is σ = 45012000. Its totient is φ = 12402720.

The previous prime is 23775523. The next prime is 23775527. The reversal of 23775525 is 52557732.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23775523) and next prime (23775527).

It is not a de Polignac number, because 23775525 - 2¹ = 23775523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23775525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23775523) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 119376 + ... + 119574.

It is an arithmetic number, because the mean of its divisors is an integer number (750200).

Almost surely, 2^23775525 is an apocalyptic number.

23775525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23775525 is a deficient number, since it is larger than the sum of its proper divisors (21236475).

23775525 is a wasteful number, since it uses less digits than its factorization.

23775525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 266 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 23775525 is about 4876.0152788932. The cubic root of 23775525 is about 287.5477929368.

The spelling of 23775525 in words is "twenty-three million, seven hundred seventy-five thousand, five hundred twenty-five".