25534319 has 2 divisors, whose sum is σ = 25534320. Its totient is φ = 25534318.

The previous prime is 25534307. The next prime is 25534321. The reversal of 25534319 is 91343552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25534319 - 2⁸ = 25534063 is a prime.

It is a super-2 number, since 2×25534319² = 1304002893587522, which contains 22 as substring.

Together with 25534321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25534339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12767159 + 12767160.

It is an arithmetic number, because the mean of its divisors is an integer number (12767160).

Almost surely, 2^25534319 is an apocalyptic number.

25534319 is a deficient number, since it is larger than the sum of its proper divisors (1).

25534319 is an equidigital number, since it uses as much as digits as its factorization.

25534319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 25534319 is about 5053.1494139794. The cubic root of 25534319 is about 294.4702510298.

The spelling of 25534319 in words is "twenty-five million, five hundred thirty-four thousand, three hundred nineteen".