23725261 has 12 divisors (see below), whose sum is σ = 28490880. Its totient is φ = 19678680.

The previous prime is 23725253. The next prime is 23725283. The reversal of 23725261 is 16252732.

It is not a de Polignac number, because 23725261 - 2³ = 23725253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23725211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6291 + ... + 9328.

It is an arithmetic number, because the mean of its divisors is an integer number (2374240).

Almost surely, 2^23725261 is an apocalyptic number.

It is an amenable number.

23725261 is a deficient number, since it is larger than the sum of its proper divisors (4765619).

23725261 is a wasteful number, since it uses less digits than its factorization.

23725261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664 (or 15657 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 23725261 is about 4870.8583432492. The cubic root of 23725261 is about 287.3450143859.

Adding to 23725261 its reverse (16252732), we get a palindrome (39977993).

The spelling of 23725261 in words is "twenty-three million, seven hundred twenty-five thousand, two hundred sixty-one".