25284259379 has 2 divisors, whose sum is σ = 25284259380. Its totient is φ = 25284259378.

The previous prime is 25284259327. The next prime is 25284259391. The reversal of 25284259379 is 97395248252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25284259379 - 2⁸ = 25284259123 is a prime.

It is not a weakly prime, because it can be changed into another prime (25284259309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12642129689 + 12642129690.

It is an arithmetic number, because the mean of its divisors is an integer number (12642129690).

Almost surely, 2^25284259379 is an apocalyptic number.

25284259379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25284259379 is an equidigital number, since it uses as much as digits as its factorization.

25284259379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 56.

The spelling of 25284259379 in words is "twenty-five billion, two hundred eighty-four million, two hundred fifty-nine thousand, three hundred seventy-nine".