25694093 has 2 divisors, whose sum is σ = 25694094. Its totient is φ = 25694092.

The previous prime is 25694083. The next prime is 25694111. The reversal of 25694093 is 39049652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19333609 + 6360484 = 4397^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 25694093 - 2⁴ = 25694077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25694083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12847046 + 12847047.

It is an arithmetic number, because the mean of its divisors is an integer number (12847047).

Almost surely, 2^25694093 is an apocalyptic number.

It is an amenable number.

25694093 is a deficient number, since it is larger than the sum of its proper divisors (1).

25694093 is an equidigital number, since it uses as much as digits as its factorization.

25694093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 25694093 is about 5068.9341088635. The cubic root of 25694093 is about 295.0831633769.

It can be divided in two parts, 256 and 94093, that added together give a palindrome (94349).

The spelling of 25694093 in words is "twenty-five million, six hundred ninety-four thousand, ninety-three".