25560233 has 2 divisors, whose sum is σ = 25560234. Its totient is φ = 25560232.

The previous prime is 25560217. The next prime is 25560247. The reversal of 25560233 is 33206552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18939904 + 6620329 = 4352^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 25560233 - 2⁴ = 25560217 is a prime.

It is a super-2 number, since 2×25560233² = 1306651022028578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25560133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12780116 + 12780117.

It is an arithmetic number, because the mean of its divisors is an integer number (12780117).

Almost surely, 2^25560233 is an apocalyptic number.

It is an amenable number.

25560233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25560233 is an equidigital number, since it uses as much as digits as its factorization.

25560233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 25560233 is about 5055.7129071972. The cubic root of 25560233 is about 294.5698336358.

Adding to 25560233 its reverse (33206552), we get a palindrome (58766785).

The spelling of 25560233 in words is "twenty-five million, five hundred sixty thousand, two hundred thirty-three".