25435505327 has 2 divisors, whose sum is σ = 25435505328. Its totient is φ = 25435505326.

The previous prime is 25435505323. The next prime is 25435505419. The reversal of 25435505327 is 72350553452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25435505327 - 2² = 25435505323 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25435505323) 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, 12717752663 + 12717752664.

It is an arithmetic number, because the mean of its divisors is an integer number (12717752664).

Almost surely, 2^25435505327 is an apocalyptic number.

25435505327 is a deficient number, since it is larger than the sum of its proper divisors (1).

25435505327 is an equidigital number, since it uses as much as digits as its factorization.

25435505327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630000, while the sum is 41.

The spelling of 25435505327 in words is "twenty-five billion, four hundred thirty-five million, five hundred five thousand, three hundred twenty-seven".