25735427 has 2 divisors, whose sum is σ = 25735428. Its totient is φ = 25735426.

The previous prime is 25735417. The next prime is 25735439. The reversal of 25735427 is 72453752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25735427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25735417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12867713 + 12867714.

It is an arithmetic number, because the mean of its divisors is an integer number (12867714).

Almost surely, 2^25735427 is an apocalyptic number.

25735427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25735427 is an equidigital number, since it uses as much as digits as its factorization.

25735427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 35.

The square root of 25735427 is about 5073.0096589697. The cubic root of 25735427 is about 295.2413116967.

It can be divided in two parts, 25735 and 427, that added together give a palindrome (26162).

The spelling of 25735427 in words is "twenty-five million, seven hundred thirty-five thousand, four hundred twenty-seven".