25804153 has 2 divisors, whose sum is σ = 25804154. Its totient is φ = 25804152.

The previous prime is 25804151. The next prime is 25804199. The reversal of 25804153 is 35140852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25775929 + 28224 = 5077^2 + 168^2 .

It is a cyclic number.

It is not a de Polignac number, because 25804153 - 2¹ = 25804151 is a prime.

Together with 25804151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25804151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12902076 + 12902077.

It is an arithmetic number, because the mean of its divisors is an integer number (12902077).

Almost surely, 2^25804153 is an apocalyptic number.

It is an amenable number.

25804153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25804153 is an equidigital number, since it uses as much as digits as its factorization.

25804153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 25804153 is about 5079.7788337683. The cubic root of 25804153 is about 295.5038903217.

The spelling of 25804153 in words is "twenty-five million, eight hundred four thousand, one hundred fifty-three".