25535413 has 4 divisors (see below), whose sum is σ = 26359168. Its totient is φ = 24711660.

The previous prime is 25535381. The next prime is 25535441. The reversal of 25535413 is 31453552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25535413 - 2⁵ = 25535381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25535483) 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, 411831 + ... + 411892.

It is an arithmetic number, because the mean of its divisors is an integer number (6589792).

Almost surely, 2^25535413 is an apocalyptic number.

It is an amenable number.

25535413 is a deficient number, since it is larger than the sum of its proper divisors (823755).

25535413 is an equidigital number, since it uses as much as digits as its factorization.

25535413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823754.

The product of its digits is 9000, while the sum is 28.

The square root of 25535413 is about 5053.2576621423. The cubic root of 25535413 is about 294.4744564269.

Adding to 25535413 its reverse (31453552), we get a palindrome (56988965).

The spelling of 25535413 in words is "twenty-five million, five hundred thirty-five thousand, four hundred thirteen".