25461671 has 2 divisors, whose sum is σ = 25461672. Its totient is φ = 25461670.

The previous prime is 25461649. The next prime is 25461679. The reversal of 25461671 is 17616452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25461671 - 2⁶ = 25461607 is a prime.

It is a super-2 number, since 2×25461671² = 1296593380224482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25461679) 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, 12730835 + 12730836.

It is an arithmetic number, because the mean of its divisors is an integer number (12730836).

Almost surely, 2^25461671 is an apocalyptic number.

25461671 is a deficient number, since it is larger than the sum of its proper divisors (1).

25461671 is an equidigital number, since it uses as much as digits as its factorization.

25461671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 25461671 is about 5045.9559054752. The cubic root of 25461671 is about 294.1907188035.

The spelling of 25461671 in words is "twenty-five million, four hundred sixty-one thousand, six hundred seventy-one".