25125427 has 2 divisors, whose sum is σ = 25125428. Its totient is φ = 25125426.

The previous prime is 25125383. The next prime is 25125433. The reversal of 25125427 is 72452152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25125427 - 2¹¹ = 25123379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25125395 and 25125404.

It is not a weakly prime, because it can be changed into another prime (25125227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562713 + 12562714.

It is an arithmetic number, because the mean of its divisors is an integer number (12562714).

Almost surely, 2^25125427 is an apocalyptic number.

25125427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25125427 is an equidigital number, since it uses as much as digits as its factorization.

25125427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 28.

The square root of 25125427 is about 5012.5270074085. The cubic root of 25125427 is about 292.8899593378.

Adding to 25125427 its reverse (72452152), we get a palindrome (97577579).

It can be divided in two parts, 25125 and 427, that added together give a palindrome (25552).

The spelling of 25125427 in words is "twenty-five million, one hundred twenty-five thousand, four hundred twenty-seven".