25213442330242 has 16 divisors (see below), whose sum is σ = 39465473124672. Its totient is φ = 12058311141360.

The previous prime is 25213442330221. The next prime is 25213442330261. The reversal of 25213442330242 is 24203324431252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4701609 + ... + 8516572.

It is an arithmetic number, because the mean of its divisors is an integer number (2466592070292).

Almost surely, 2^{25213442330242} is an apocalyptic number.

25213442330242 is a deficient number, since it is larger than the sum of its proper divisors (14252030794430).

25213442330242 is a wasteful number, since it uses less digits than its factorization.

25213442330242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259673.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 25213442330242 its reverse (24203324431252), we get a palindrome (49416766761494).

The spelling of 25213442330242 in words is "twenty-five trillion, two hundred thirteen billion, four hundred forty-two million, three hundred thirty thousand, two hundred forty-two".