25075705 has 4 divisors (see below), whose sum is σ = 30090852. Its totient is φ = 20060560.

The previous prime is 25075703. The next prime is 25075741. The reversal of 25075705 is 50757052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17606416 + 7469289 = 4196^2 + 2733^2 .

It is not a de Polignac number, because 25075705 - 2¹ = 25075703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25075703) 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 3 ways as a sum of consecutive naturals, for example, 2507566 + ... + 2507575.

It is an arithmetic number, because the mean of its divisors is an integer number (7522713).

Almost surely, 2^25075705 is an apocalyptic number.

It is an amenable number.

25075705 is a deficient number, since it is larger than the sum of its proper divisors (5015147).

25075705 is an equidigital number, since it uses as much as digits as its factorization.

25075705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015146.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 25075705 is about 5007.5647774143. The cubic root of 25075705 is about 292.6966267472.

The spelling of 25075705 in words is "twenty-five million, seventy-five thousand, seven hundred five".