25564011 has 8 divisors (see below), whose sum is σ = 37184064. Its totient is φ = 15493320.

The previous prime is 25564001. The next prime is 25564027. The reversal of 25564011 is 11046552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25564011 - 2¹⁰ = 25562987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25564001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387301 + ... + 387366.

It is an arithmetic number, because the mean of its divisors is an integer number (4648008).

Almost surely, 2^25564011 is an apocalyptic number.

25564011 is a deficient number, since it is larger than the sum of its proper divisors (11620053).

25564011 is a wasteful number, since it uses less digits than its factorization.

25564011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774681.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 25564011 is about 5056.0865301140. The cubic root of 25564011 is about 294.5843461535.

The spelling of 25564011 in words is "twenty-five million, five hundred sixty-four thousand, eleven".