25864103 has 4 divisors (see below), whose sum is σ = 25874448. Its totient is φ = 25853760.

The previous prime is 25864087. The next prime is 25864117. The reversal of 25864103 is 30146852.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25864103 - 2⁴ = 25864087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25864133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175 + ... + 7287.

It is an arithmetic number, because the mean of its divisors is an integer number (6468612).

Almost surely, 2^25864103 is an apocalyptic number.

25864103 is a deficient number, since it is larger than the sum of its proper divisors (10345).

25864103 is an equidigital number, since it uses as much as digits as its factorization.

25864103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 25864103 is about 5085.6762578835. The cubic root of 25864103 is about 295.7325583794.

The spelling of 25864103 in words is "twenty-five million, eight hundred sixty-four thousand, one hundred three".