25654159 has 2 divisors, whose sum is σ = 25654160. Its totient is φ = 25654158.

The previous prime is 25654147. The next prime is 25654169. The reversal of 25654159 is 95145652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25654159 - 2¹¹ = 25652111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25654129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12827079 + 12827080.

It is an arithmetic number, because the mean of its divisors is an integer number (12827080).

Almost surely, 2^25654159 is an apocalyptic number.

25654159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25654159 is an equidigital number, since it uses as much as digits as its factorization.

25654159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 25654159 is about 5064.9934846947. The cubic root of 25654159 is about 294.9302104371.

It can be divided in two parts, 2565 and 4159, that added together give a square (6724 = 82²).

The spelling of 25654159 in words is "twenty-five million, six hundred fifty-four thousand, one hundred fifty-nine".