25675519 has 2 divisors, whose sum is σ = 25675520. Its totient is φ = 25675518.

The previous prime is 25675511. The next prime is 25675523. The reversal of 25675519 is 91557652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25675519 - 2³ = 25675511 is a prime.

It is a super-2 number, since 2×25675519² = 1318464551838722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25675511) 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, 12837759 + 12837760.

It is an arithmetic number, because the mean of its divisors is an integer number (12837760).

Almost surely, 2^25675519 is an apocalyptic number.

25675519 is a deficient number, since it is larger than the sum of its proper divisors (1).

25675519 is an equidigital number, since it uses as much as digits as its factorization.

25675519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 40.

The square root of 25675519 is about 5067.1016370308. The cubic root of 25675519 is about 295.0120420250.

The spelling of 25675519 in words is "twenty-five million, six hundred seventy-five thousand, five hundred nineteen".