25338535 has 4 divisors (see below), whose sum is σ = 30406248. Its totient is φ = 20270824.

The previous prime is 25338527. The next prime is 25338569. The reversal of 25338535 is 53583352.

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 25338535 - 2³ = 25338527 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 25338535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533849 + ... + 2533858.

It is an arithmetic number, because the mean of its divisors is an integer number (7601562).

Almost surely, 2^25338535 is an apocalyptic number.

25338535 is a deficient number, since it is larger than the sum of its proper divisors (5067713).

25338535 is an equidigital number, since it uses as much as digits as its factorization.

25338535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067712.

The product of its digits is 54000, while the sum is 34.

The square root of 25338535 is about 5033.7396635106. The cubic root of 25338535 is about 293.7157038578.

The spelling of 25338535 in words is "twenty-five million, three hundred thirty-eight thousand, five hundred thirty-five".