25398467 has 2 divisors, whose sum is σ = 25398468. Its totient is φ = 25398466.

The previous prime is 25398419. The next prime is 25398469. The reversal of 25398467 is 76489352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25398467 - 2⁸ = 25398211 is a prime.

Together with 25398469, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (25398469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12699233 + 12699234.

It is an arithmetic number, because the mean of its divisors is an integer number (12699234).

Almost surely, 2^25398467 is an apocalyptic number.

25398467 is a deficient number, since it is larger than the sum of its proper divisors (1).

25398467 is an equidigital number, since it uses as much as digits as its factorization.

25398467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 25398467 is about 5039.6891769235. The cubic root of 25398467 is about 293.9470919956.

The spelling of 25398467 in words is "twenty-five million, three hundred ninety-eight thousand, four hundred sixty-seven".