23125261 has 4 divisors (see below), whose sum is σ = 24342400. Its totient is φ = 21908124.

The previous prime is 23125241. The next prime is 23125273. The reversal of 23125261 is 16252132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23125261 - 2⁵ = 23125229 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 (23125241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608541 + ... + 608578.

It is an arithmetic number, because the mean of its divisors is an integer number (6085600).

Almost surely, 2^23125261 is an apocalyptic number.

It is an amenable number.

23125261 is a deficient number, since it is larger than the sum of its proper divisors (1217139).

23125261 is a wasteful number, since it uses less digits than its factorization.

23125261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217138.

The product of its digits is 720, while the sum is 22.

The square root of 23125261 is about 4808.8731528290. The cubic root of 23125261 is about 284.9020326048.

Adding to 23125261 its reverse (16252132), we get a palindrome (39377393).

The spelling of 23125261 in words is "twenty-three million, one hundred twenty-five thousand, two hundred sixty-one".