25136233 has 2 divisors, whose sum is σ = 25136234. Its totient is φ = 25136232.

The previous prime is 25136207. The next prime is 25136249. The reversal of 25136233 is 33263152.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25080064 + 56169 = 5008^2 + 237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25136233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25136198 and 25136207.

It is not a weakly prime, because it can be changed into another prime (25136203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12568116 + 12568117.

It is an arithmetic number, because the mean of its divisors is an integer number (12568117).

Almost surely, 2^25136233 is an apocalyptic number.

It is an amenable number.

25136233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25136233 is an equidigital number, since it uses as much as digits as its factorization.

25136233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 25136233 is about 5013.6047909663. The cubic root of 25136233 is about 292.9319422432.

Adding to 25136233 its reverse (33263152), we get a palindrome (58399385).

The spelling of 25136233 in words is "twenty-five million, one hundred thirty-six thousand, two hundred thirty-three".