23517725 has 48 divisors (see below), whose sum is σ = 38330880. Its totient is φ = 13867200.

The previous prime is 23517721. The next prime is 23517751. The reversal of 23517725 is 52771532.

It is not a de Polignac number, because 23517725 - 2² = 23517721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23517691 and 23517700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23517721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36254 + ... + 36896.

It is an arithmetic number, because the mean of its divisors is an integer number (798560).

Almost surely, 2^23517725 is an apocalyptic number.

23517725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23517725 is a deficient number, since it is larger than the sum of its proper divisors (14813155).

23517725 is a wasteful number, since it uses less digits than its factorization.

23517725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 685 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 23517725 is about 4849.5077069740. The cubic root of 23517725 is about 286.5047121674.

It can be divided in two parts, 23517 and 725, that added together give a palindrome (24242).

The spelling of 23517725 in words is "twenty-three million, five hundred seventeen thousand, seven hundred twenty-five".