25675919 has 2 divisors, whose sum is σ = 25675920. Its totient is φ = 25675918.

The previous prime is 25675913. The next prime is 25675921. The reversal of 25675919 is 91957652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25675919 - 2¹⁶ = 25610383 is a prime.

It is a super-2 number, since 2×25675919² = 1318505632989122, which contains 22 as substring.

Together with 25675921, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25675919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25675913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12837959 + 12837960.

It is an arithmetic number, because the mean of its divisors is an integer number (12837960).

Almost surely, 2^25675919 is an apocalyptic number.

25675919 is a deficient number, since it is larger than the sum of its proper divisors (1).

25675919 is an equidigital number, since it uses as much as digits as its factorization.

25675919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 44.

The square root of 25675919 is about 5067.1411071728. The cubic root of 25675919 is about 295.0135740187.

The spelling of 25675919 in words is "twenty-five million, six hundred seventy-five thousand, nine hundred nineteen".