25697383 has 2 divisors, whose sum is σ = 25697384. Its totient is φ = 25697382.

The previous prime is 25697377. The next prime is 25697389. The reversal of 25697383 is 38379652.

It is a balanced prime because it is at equal distance from previous prime (25697377) and next prime (25697389).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25697383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25697389) 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, 12848691 + 12848692.

It is an arithmetic number, because the mean of its divisors is an integer number (12848692).

Almost surely, 2^25697383 is an apocalyptic number.

25697383 is a deficient number, since it is larger than the sum of its proper divisors (1).

25697383 is an equidigital number, since it uses as much as digits as its factorization.

25697383 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 square root of 25697383 is about 5069.2586242961. The cubic root of 25697383 is about 295.0957574801.

The spelling of 25697383 in words is "twenty-five million, six hundred ninety-seven thousand, three hundred eighty-three".