25915151 has 2 divisors, whose sum is σ = 25915152. Its totient is φ = 25915150.

The previous prime is 25915147. The next prime is 25915177. The reversal of 25915151 is 15151952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25915151 - 2² = 25915147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25915121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12957575 + 12957576.

It is an arithmetic number, because the mean of its divisors is an integer number (12957576).

Almost surely, 2^25915151 is an apocalyptic number.

25915151 is a deficient number, since it is larger than the sum of its proper divisors (1).

25915151 is an equidigital number, since it uses as much as digits as its factorization.

25915151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2250, while the sum is 29.

The square root of 25915151 is about 5090.6925854936. The cubic root of 25915151 is about 295.9269930429.

The spelling of 25915151 in words is "twenty-five million, nine hundred fifteen thousand, one hundred fifty-one".