25478924683 has 2 divisors, whose sum is σ = 25478924684. Its totient is φ = 25478924682.

The previous prime is 25478924663. The next prime is 25478924687. The reversal of 25478924683 is 38642987452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25478924683 - 2⁵ = 25478924651 is a prime.

It is not a weakly prime, because it can be changed into another prime (25478924687) 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, 12739462341 + 12739462342.

It is an arithmetic number, because the mean of its divisors is an integer number (12739462342).

Almost surely, 2^25478924683 is an apocalyptic number.

25478924683 is a deficient number, since it is larger than the sum of its proper divisors (1).

25478924683 is an equidigital number, since it uses as much as digits as its factorization.

25478924683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 58.

The spelling of 25478924683 in words is "twenty-five billion, four hundred seventy-eight million, nine hundred twenty-four thousand, six hundred eighty-three".