25233853 has 2 divisors, whose sum is σ = 25233854. Its totient is φ = 25233852.

The previous prime is 25233841. The next prime is 25233911. The reversal of 25233853 is 35833252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25130169 + 103684 = 5013^2 + 322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25233853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25233053) 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 as a sum of consecutive naturals, namely, 12616926 + 12616927.

It is an arithmetic number, because the mean of its divisors is an integer number (12616927).

Almost surely, 2^25233853 is an apocalyptic number.

It is an amenable number.

25233853 is a deficient number, since it is larger than the sum of its proper divisors (1).

25233853 is an equidigital number, since it uses as much as digits as its factorization.

25233853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 25233853 is about 5023.3308670642. The cubic root of 25233853 is about 293.3106661490.

The spelling of 25233853 in words is "twenty-five million, two hundred thirty-three thousand, eight hundred fifty-three".