25323611479 has 2 divisors, whose sum is σ = 25323611480. Its totient is φ = 25323611478.

The previous prime is 25323611477. The next prime is 25323611497. The reversal of 25323611479 is 97411632352.

Together with next prime (25323611497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25323611479 - 2¹ = 25323611477 is a prime.

Together with 25323611477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25323611473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661805739 + 12661805740.

It is an arithmetic number, because the mean of its divisors is an integer number (12661805740).

Almost surely, 2^25323611479 is an apocalyptic number.

25323611479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323611479 is an equidigital number, since it uses as much as digits as its factorization.

25323611479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The spelling of 25323611479 in words is "twenty-five billion, three hundred twenty-three million, six hundred eleven thousand, four hundred seventy-nine".