2504633641 has 4 divisors (see below), whose sum is σ = 2505346900. Its totient is φ = 2503920384.

The previous prime is 2504633581. The next prime is 2504633669. The reversal of 2504633641 is 1463364052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1102505616 + 1402128025 = 33204^2 + 37445^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504633641 - 2¹³ = 2504625449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2504633597 and 2504633606.

It is not an unprimeable number, because it can be changed into a prime (2504634641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351336 + ... + 358393.

It is an arithmetic number, because the mean of its divisors is an integer number (626336725).

Almost surely, 2^2504633641 is an apocalyptic number.

It is an amenable number.

2504633641 is a deficient number, since it is larger than the sum of its proper divisors (713259).

2504633641 is an equidigital number, since it uses as much as digits as its factorization.

2504633641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713258.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2504633641 is about 50046.3149592455. The cubic root of 2504633641 is about 1358.0467999008.

Adding to 2504633641 its reverse (1463364052), we get a palindrome (3967997693).

The spelling of 2504633641 in words is "two billion, five hundred four million, six hundred thirty-three thousand, six hundred forty-one".