25126427 has 2 divisors, whose sum is σ = 25126428. Its totient is φ = 25126426.

The previous prime is 25126411. The next prime is 25126429. The reversal of 25126427 is 72462152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25126427 - 2⁴ = 25126411 is a prime.

Together with 25126429, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1573409 and since 25126427 and 1573409 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25126427.

It is not a weakly prime, because it can be changed into another prime (25126429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563213 + 12563214.

It is an arithmetic number, because the mean of its divisors is an integer number (12563214).

Almost surely, 2^25126427 is an apocalyptic number.

25126427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25126427 is an equidigital number, since it uses as much as digits as its factorization.

25126427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 25126427 is about 5012.6267565020. The cubic root of 25126427 is about 292.8938449908.

Adding to 25126427 its reverse (72462152), we get a palindrome (97588579).

The spelling of 25126427 in words is "twenty-five million, one hundred twenty-six thousand, four hundred twenty-seven".