25627951 has 2 divisors, whose sum is σ = 25627952. Its totient is φ = 25627950.

The previous prime is 25627949. The next prime is 25627961. The reversal of 25627951 is 15972652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25627951 - 2¹ = 25627949 is a prime.

Together with 25627949, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25627951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25627961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12813975 + 12813976.

It is an arithmetic number, because the mean of its divisors is an integer number (12813976).

Almost surely, 2^25627951 is an apocalyptic number.

25627951 is a deficient number, since it is larger than the sum of its proper divisors (1).

25627951 is an equidigital number, since it uses as much as digits as its factorization.

25627951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 25627951 is about 5062.4056534418. The cubic root of 25627951 is about 294.8297437567.

The spelling of 25627951 in words is "twenty-five million, six hundred twenty-seven thousand, nine hundred fifty-one".