25342435321 has 8 divisors (see below), whose sum is σ = 29509251264. Its totient is φ = 21312236400.

The previous prime is 25342435289. The next prime is 25342435337. The reversal of 25342435321 is 12353424352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25342435321 - 2⁵ = 25342435289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25342405321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34153855 + ... + 34154596.

It is an arithmetic number, because the mean of its divisors is an integer number (3688656408).

Almost surely, 2^25342435321 is an apocalyptic number.

It is an amenable number.

25342435321 is a deficient number, since it is larger than the sum of its proper divisors (4166815943).

25342435321 is an equidigital number, since it uses as much as digits as its factorization.

25342435321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68308511.

The product of its digits is 86400, while the sum is 34.

Adding to 25342435321 its reverse (12353424352), we get a palindrome (37695859673).

The spelling of 25342435321 in words is "twenty-five billion, three hundred forty-two million, four hundred thirty-five thousand, three hundred twenty-one".