23525530 has 16 divisors (see below), whose sum is σ = 48395520. Its totient is φ = 8065872.

The previous prime is 23525519. The next prime is 23525531. The reversal of 23525530 is 3552532.

It is a junction number, because it is equal to n+sod(n) for n = 23525495 and 23525504.

It is not an unprimeable number, because it can be changed into a prime (23525531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167970 + ... + 168109.

It is an arithmetic number, because the mean of its divisors is an integer number (3024720).

Almost surely, 2^23525530 is an apocalyptic number.

23525530 is an abundant number, since it is smaller than the sum of its proper divisors (24869990).

23525530 is a wasteful number, since it uses less digits than its factorization.

23525530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336093.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 23525530 is about 4850.3123610753. The cubic root of 23525530 is about 286.5364034690.

The spelling of 23525530 in words is "twenty-three million, five hundred twenty-five thousand, five hundred thirty".