25335214321 has 2 divisors, whose sum is σ = 25335214322. Its totient is φ = 25335214320.

The previous prime is 25335214319. The next prime is 25335214361. The reversal of 25335214321 is 12341253352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25261923600 + 73290721 = 158940^2 + 8561^2 .

It is a cyclic number.

It is not a de Polignac number, because 25335214321 - 2¹ = 25335214319 is a prime.

Together with 25335214319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25335214361) 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 as a sum of consecutive naturals, namely, 12667607160 + 12667607161.

It is an arithmetic number, because the mean of its divisors is an integer number (12667607161).

Almost surely, 2^25335214321 is an apocalyptic number.

It is an amenable number.

25335214321 is a deficient number, since it is larger than the sum of its proper divisors (1).

25335214321 is an equidigital number, since it uses as much as digits as its factorization.

25335214321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

Adding to 25335214321 its reverse (12341253352), we get a palindrome (37676467673).

The spelling of 25335214321 in words is "twenty-five billion, three hundred thirty-five million, two hundred fourteen thousand, three hundred twenty-one".