25054399 has 2 divisors, whose sum is σ = 25054400. Its totient is φ = 25054398.

The previous prime is 25054397. The next prime is 25054427. The reversal of 25054399 is 99345052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25054399 - 2¹ = 25054397 is a prime.

Together with 25054397, 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 (25054397) 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, 12527199 + 12527200.

It is an arithmetic number, because the mean of its divisors is an integer number (12527200).

Almost surely, 2^25054399 is an apocalyptic number.

25054399 is a deficient number, since it is larger than the sum of its proper divisors (1).

25054399 is an equidigital number, since it uses as much as digits as its factorization.

25054399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 25054399 is about 5005.4369439640. The cubic root of 25054399 is about 292.6137050322.

The spelling of 25054399 in words is "twenty-five million, fifty-four thousand, three hundred ninety-nine".