25335134241 has 4 divisors (see below), whose sum is σ = 33780178992. Its totient is φ = 16890089492.

The previous prime is 25335134207. The next prime is 25335134263. The reversal of 25335134241 is 14243153352.

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 25335134241 - 2⁷ = 25335134113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25335134291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4222522371 + ... + 4222522376.

It is an arithmetic number, because the mean of its divisors is an integer number (8445044748).

Almost surely, 2^25335134241 is an apocalyptic number.

It is an amenable number.

25335134241 is a deficient number, since it is larger than the sum of its proper divisors (8445044751).

25335134241 is an equidigital number, since it uses as much as digits as its factorization.

25335134241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445044750.

The product of its digits is 43200, while the sum is 33.

Adding to 25335134241 its reverse (14243153352), we get a palindrome (39578287593).

The spelling of 25335134241 in words is "twenty-five billion, three hundred thirty-five million, one hundred thirty-four thousand, two hundred forty-one".