25135324322 has 8 divisors (see below), whose sum is σ = 37760726556. Its totient is φ = 12548415472.

The previous prime is 25135324267. The next prime is 25135324349. The reversal of 25135324322 is 22342353152.

It can be written as a sum of positive squares in 2 ways, for example, as 23320649521 + 1814674801 = 152711^2 + 42599^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9621713 + ... + 9624324.

Almost surely, 2^25135324322 is an apocalyptic number.

25135324322 is a deficient number, since it is larger than the sum of its proper divisors (12625402234).

25135324322 is a wasteful number, since it uses less digits than its factorization.

25135324322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19246692.

The product of its digits is 43200, while the sum is 32.

Adding to 25135324322 its reverse (22342353152), we get a palindrome (47477677474).

The spelling of 25135324322 in words is "twenty-five billion, one hundred thirty-five million, three hundred twenty-four thousand, three hundred twenty-two".