25049719 has 2 divisors, whose sum is σ = 25049720. Its totient is φ = 25049718.

The previous prime is 25049699. The next prime is 25049741. The reversal of 25049719 is 91794052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25049719 - 2⁹ = 25049207 is a prime.

It is a super-2 number, since 2×25049719² = 1254976843957922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25049119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12524859 + 12524860.

It is an arithmetic number, because the mean of its divisors is an integer number (12524860).

Almost surely, 2^25049719 is an apocalyptic number.

25049719 is a deficient number, since it is larger than the sum of its proper divisors (1).

25049719 is an equidigital number, since it uses as much as digits as its factorization.

25049719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 25049719 is about 5004.9694304761. The cubic root of 25049719 is about 292.5954844472.

The spelling of 25049719 in words is "twenty-five million, forty-nine thousand, seven hundred nineteen".