23552261 has 4 divisors (see below), whose sum is σ = 24100032. Its totient is φ = 23004492.

The previous prime is 23552257. The next prime is 23552303. The reversal of 23552261 is 16225532.

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 23552261 - 2² = 23552257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23552261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23552231) 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 3 ways as a sum of consecutive naturals, for example, 273821 + ... + 273906.

It is an arithmetic number, because the mean of its divisors is an integer number (6025008).

Almost surely, 2^23552261 is an apocalyptic number.

It is an amenable number.

23552261 is a deficient number, since it is larger than the sum of its proper divisors (547771).

23552261 is an equidigital number, since it uses as much as digits as its factorization.

23552261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547770.

The product of its digits is 3600, while the sum is 26.

The square root of 23552261 is about 4853.0671744784. The cubic root of 23552261 is about 286.6448885264.

Adding to 23552261 its reverse (16225532), we get a palindrome (39777793).

The spelling of 23552261 in words is "twenty-three million, five hundred fifty-two thousand, two hundred sixty-one".