25525411 has 4 divisors (see below), whose sum is σ = 26148024. Its totient is φ = 24902800.

The previous prime is 25525403. The next prime is 25525421. The reversal of 25525411 is 11452552.

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 25525411 - 2³ = 25525403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25525421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311245 + ... + 311326.

It is an arithmetic number, because the mean of its divisors is an integer number (6537006).

Almost surely, 2^25525411 is an apocalyptic number.

25525411 is a deficient number, since it is larger than the sum of its proper divisors (622613).

25525411 is an equidigital number, since it uses as much as digits as its factorization.

25525411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622612.

The product of its digits is 2000, while the sum is 25.

The square root of 25525411 is about 5052.2679065940. The cubic root of 25525411 is about 294.4360037083.

Adding to 25525411 its reverse (11452552), we get a palindrome (36977963).

The spelling of 25525411 in words is "twenty-five million, five hundred twenty-five thousand, four hundred eleven".