2505244244 has 6 divisors (see below), whose sum is σ = 4384177434. Its totient is φ = 1252622120.

The previous prime is 2505244241. The next prime is 2505244267. The reversal of 2505244244 is 4424425052.

It can be written as a sum of positive squares in only one way, i.e., 2426744644 + 78499600 = 49262^2 + 8860^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2505244244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505244241) 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, 313155527 + ... + 313155534.

It is an arithmetic number, because the mean of its divisors is an integer number (730696239).

Almost surely, 2^2505244244 is an apocalyptic number.

It is an amenable number.

2505244244 is a deficient number, since it is larger than the sum of its proper divisors (1878933190).

2505244244 is a wasteful number, since it uses less digits than its factorization.

2505244244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626311065 (or 626311063 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 2505244244 is about 50052.4149667126. The cubic root of 2505244244 is about 1358.1571500481.

Adding to 2505244244 its reverse (4424425052), we get a palindrome (6929669296).

It can be divided in two parts, 25052 and 44244, that added together give a palindrome (69296).

The spelling of 2505244244 in words is "two billion, five hundred five million, two hundred forty-four thousand, two hundred forty-four".