2505043426 has 4 divisors (see below), whose sum is σ = 3757565142. Its totient is φ = 1252521712.

The previous prime is 2505043423. The next prime is 2505043427. The reversal of 2505043426 is 6243405052.

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

It can be written as a sum of positive squares in only one way, i.e., 2242117201 + 262926225 = 47351^2 + 16215^2 .

It is a super-2 number, since 2×2505043426² = 12550485132291634952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2505043423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626260855 + ... + 626260858.

Almost surely, 2^2505043426 is an apocalyptic number.

2505043426 is a deficient number, since it is larger than the sum of its proper divisors (1252521716).

2505043426 is a wasteful number, since it uses less digits than its factorization.

2505043426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252521715.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2505043426 is about 50050.4088494789. The cubic root of 2505043426 is about 1358.1208595492.

Adding to 2505043426 its reverse (6243405052), we get a palindrome (8748448478).

The spelling of 2505043426 in words is "two billion, five hundred five million, forty-three thousand, four hundred twenty-six".