25238805 has 16 divisors (see below), whose sum is σ = 41685504. Its totient is φ = 13026240.

The previous prime is 25238791. The next prime is 25238819. The reversal of 25238805 is 50883252.

It is an interprime number because it is at equal distance from previous prime (25238791) and next prime (25238819).

It is not a de Polignac number, because 25238805 - 2⁹ = 25238293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26674 + ... + 27603.

It is an arithmetic number, because the mean of its divisors is an integer number (2605344).

Almost surely, 2^25238805 is an apocalyptic number.

It is an amenable number.

25238805 is a deficient number, since it is larger than the sum of its proper divisors (16446699).

25238805 is a wasteful number, since it uses less digits than its factorization.

25238805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54316.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 25238805 is about 5023.8237429273. The cubic root of 25238805 is about 293.3298517436.

The spelling of 25238805 in words is "twenty-five million, two hundred thirty-eight thousand, eight hundred five".