25105151 has 2 divisors, whose sum is σ = 25105152. Its totient is φ = 25105150.

The previous prime is 25105147. The next prime is 25105177. The reversal of 25105151 is 15150152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25105151 - 2² = 25105147 is a prime.

It is a Chen prime.

It is equal to p_1572131 and since 25105151 and 1572131 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25105111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12552575 + 12552576.

It is an arithmetic number, because the mean of its divisors is an integer number (12552576).

Almost surely, 2^25105151 is an apocalyptic number.

25105151 is a deficient number, since it is larger than the sum of its proper divisors (1).

25105151 is an equidigital number, since it uses as much as digits as its factorization.

25105151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 25105151 is about 5010.5040664588. The cubic root of 25105151 is about 292.8111515891.

The spelling of 25105151 in words is "twenty-five million, one hundred five thousand, one hundred fifty-one".