25925219 has 2 divisors, whose sum is σ = 25925220. Its totient is φ = 25925218.

The previous prime is 25925213. The next prime is 25925239. The reversal of 25925219 is 91252952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25925219 - 2⁸ = 25924963 is a prime.

It is a super-2 number, since 2×25925219² = 1344233960395922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25925213) 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, 12962609 + 12962610.

It is an arithmetic number, because the mean of its divisors is an integer number (12962610).

Almost surely, 2^25925219 is an apocalyptic number.

25925219 is a deficient number, since it is larger than the sum of its proper divisors (1).

25925219 is an equidigital number, since it uses as much as digits as its factorization.

25925219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 25925219 is about 5091.6813529521. The cubic root of 25925219 is about 295.9653104892.

The spelling of 25925219 in words is "twenty-five million, nine hundred twenty-five thousand, two hundred nineteen".