25426111 has 4 divisors (see below), whose sum is σ = 25559424. Its totient is φ = 25292800.

The previous prime is 25426091. The next prime is 25426117. The reversal of 25426111 is 11162452.

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

It is a cyclic number.

It is not a de Polignac number, because 25426111 - 2¹⁵ = 25393343 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25426117) 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, 66370 + ... + 66751.

It is an arithmetic number, because the mean of its divisors is an integer number (6389856).

Almost surely, 2^25426111 is an apocalyptic number.

25426111 is a deficient number, since it is larger than the sum of its proper divisors (133313).

25426111 is a wasteful number, since it uses less digits than its factorization.

25426111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133312.

The product of its digits is 480, while the sum is 22.

The square root of 25426111 is about 5042.4310605104. The cubic root of 25426111 is about 294.0536985229.

Adding to 25426111 its reverse (11162452), we get a palindrome (36588563).

The spelling of 25426111 in words is "twenty-five million, four hundred twenty-six thousand, one hundred eleven".