25874705 has 4 divisors (see below), whose sum is σ = 31049652. Its totient is φ = 20699760.

The previous prime is 25874689. The next prime is 25874707. The reversal of 25874705 is 50747852.

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 4456321 + 21418384 = 2111^2 + 4628^2 .

It is not a de Polignac number, because 25874705 - 2⁴ = 25874689 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25874707) 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, 2587466 + ... + 2587475.

It is an arithmetic number, because the mean of its divisors is an integer number (7762413).

Almost surely, 2^25874705 is an apocalyptic number.

It is an amenable number.

25874705 is a deficient number, since it is larger than the sum of its proper divisors (5174947).

25874705 is an equidigital number, since it uses as much as digits as its factorization.

25874705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174946.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 25874705 is about 5086.7184903433. The cubic root of 25874705 is about 295.7729609440.

The spelling of 25874705 in words is "twenty-five million, eight hundred seventy-four thousand, seven hundred five".