25106427 has 12 divisors (see below), whose sum is σ = 36427560. Its totient is φ = 16662528.

The previous prime is 25106383. The next prime is 25106509. The reversal of 25106427 is 72460152.

25106427 is a `hidden beast` number, since 2 + 5 + 10 + 642 + 7 = 666.

It is not a de Polignac number, because 25106427 - 2⁸ = 25106171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25106427.

It is not an unprimeable number, because it can be changed into a prime (25106527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4102 + ... + 8187.

It is an arithmetic number, because the mean of its divisors is an integer number (3035630).

Almost surely, 2^25106427 is an apocalyptic number.

25106427 is a deficient number, since it is larger than the sum of its proper divisors (11321133).

25106427 is a wasteful number, since it uses less digits than its factorization.

25106427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12522 (or 12519 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25106427 is about 5010.6313973391. The cubic root of 25106427 is about 292.8161123334.

Adding to 25106427 its reverse (72460152), we get a palindrome (97566579).

The spelling of 25106427 in words is "twenty-five million, one hundred six thousand, four hundred twenty-seven".