25206151 has 2 divisors, whose sum is σ = 25206152. Its totient is φ = 25206150.

The previous prime is 25206149. The next prime is 25206161. The reversal of 25206151 is 15160252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25206151 - 2¹ = 25206149 is a prime.

Together with 25206149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25206161) 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, 12603075 + 12603076.

It is an arithmetic number, because the mean of its divisors is an integer number (12603076).

Almost surely, 2^25206151 is an apocalyptic number.

25206151 is a deficient number, since it is larger than the sum of its proper divisors (1).

25206151 is an equidigital number, since it uses as much as digits as its factorization.

25206151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 25206151 is about 5020.5727760884. The cubic root of 25206151 is about 293.2032936280.

The spelling of 25206151 in words is "twenty-five million, two hundred six thousand, one hundred fifty-one".