2505012644 has 12 divisors (see below), whose sum is σ = 4485720624. Its totient is φ = 1223378184.

The previous prime is 2505012623. The next prime is 2505012647. The reversal of 2505012644 is 4462105052.

It is not an unprimeable number, because it can be changed into a prime (2505012647) 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 in 3 ways as a sum of consecutive naturals, for example, 7281842 + ... + 7282185.

It is an arithmetic number, because the mean of its divisors is an integer number (373810052).

Almost surely, 2^2505012644 is an apocalyptic number.

It is an amenable number.

2505012644 is a deficient number, since it is larger than the sum of its proper divisors (1980707980).

2505012644 is a wasteful number, since it uses less digits than its factorization.

2505012644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564074 (or 14564072 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2505012644 is about 50050.1013385587. The cubic root of 2505012644 is about 1358.1152966586.

Adding to 2505012644 its reverse (4462105052), we get a palindrome (6967117696).

The spelling of 2505012644 in words is "two billion, five hundred five million, twelve thousand, six hundred forty-four".