25386853 has 2 divisors, whose sum is σ = 25386854. Its totient is φ = 25386852.

The previous prime is 25386833. The next prime is 25386901. The reversal of 25386853 is 35868352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14615329 + 10771524 = 3823^2 + 3282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25386853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25386833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12693426 + 12693427.

It is an arithmetic number, because the mean of its divisors is an integer number (12693427).

Almost surely, 2^25386853 is an apocalyptic number.

It is an amenable number.

25386853 is a deficient number, since it is larger than the sum of its proper divisors (1).

25386853 is an equidigital number, since it uses as much as digits as its factorization.

25386853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 25386853 is about 5038.5367915696. The cubic root of 25386853 is about 293.9022806032.

The spelling of 25386853 in words is "twenty-five million, three hundred eighty-six thousand, eight hundred fifty-three".