23552257 has 2 divisors, whose sum is σ = 23552258. Its totient is φ = 23552256.

The previous prime is 23552233. The next prime is 23552303. The reversal of 23552257 is 75225532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 2676496 = 4569^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 23552257 - 2⁷ = 23552129 is a prime.

It is a super-3 number, since 3×23552257³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23552227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11776128 + 11776129.

It is an arithmetic number, because the mean of its divisors is an integer number (11776129).

Almost surely, 2^23552257 is an apocalyptic number.

It is an amenable number.

23552257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23552257 is an equidigital number, since it uses as much as digits as its factorization.

23552257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 31.

The square root of 23552257 is about 4853.0667623679. The cubic root of 23552257 is about 286.6448722990.

Adding to 23552257 its reverse (75225532), we get a palindrome (98777789).

The spelling of 23552257 in words is "twenty-three million, five hundred fifty-two thousand, two hundred fifty-seven".