25356535067 has 2 divisors, whose sum is σ = 25356535068. Its totient is φ = 25356535066.

The previous prime is 25356535027. The next prime is 25356535117. The reversal of 25356535067 is 76053565352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25356535067 - 2⁶ = 25356535003 is a prime.

It is not a weakly prime, because it can be changed into another prime (25356535027) 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, 12678267533 + 12678267534.

It is an arithmetic number, because the mean of its divisors is an integer number (12678267534).

Almost surely, 2^25356535067 is an apocalyptic number.

25356535067 is a deficient number, since it is larger than the sum of its proper divisors (1).

25356535067 is an equidigital number, since it uses as much as digits as its factorization.

25356535067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835000, while the sum is 47.

The spelling of 25356535067 in words is "twenty-five billion, three hundred fifty-six million, five hundred thirty-five thousand, sixty-seven".