25705103 has 2 divisors, whose sum is σ = 25705104. Its totient is φ = 25705102.

The previous prime is 25705093. The next prime is 25705111. The reversal of 25705103 is 30150752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25705103 - 2⁴ = 25705087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25705123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12852551 + 12852552.

It is an arithmetic number, because the mean of its divisors is an integer number (12852552).

Almost surely, 2^25705103 is an apocalyptic number.

25705103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25705103 is an equidigital number, since it uses as much as digits as its factorization.

25705103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 25705103 is about 5070.0200196843. The cubic root of 25705103 is about 295.1253053807.

Adding to 25705103 its reverse (30150752), we get a palindrome (55855855).

The spelling of 25705103 in words is "twenty-five million, seven hundred five thousand, one hundred three".