25135245334 has 4 divisors (see below), whose sum is σ = 37702868004. Its totient is φ = 12567622666.

The previous prime is 25135245299. The next prime is 25135245341. The reversal of 25135245334 is 43354253152.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 25135245293 and 25135245302.

It is a congruent number.

It is an unprimeable number.

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, 6283811332 + ... + 6283811335.

It is an arithmetic number, because the mean of its divisors is an integer number (9425717001).

Almost surely, 2^25135245334 is an apocalyptic number.

25135245334 is a deficient number, since it is larger than the sum of its proper divisors (12567622670).

25135245334 is a wasteful number, since it uses less digits than its factorization.

25135245334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12567622669.

The product of its digits is 216000, while the sum is 37.

Adding to 25135245334 its reverse (43354253152), we get a palindrome (68489498486).

The spelling of 25135245334 in words is "twenty-five billion, one hundred thirty-five million, two hundred forty-five thousand, three hundred thirty-four".