2504012305 has 4 divisors (see below), whose sum is σ = 3004814772. Its totient is φ = 2003209840.

The previous prime is 2504012227. The next prime is 2504012341. The reversal of 2504012305 is 5032104052.

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 1312105729 + 1191906576 = 36223^2 + 34524^2 .

It is not a de Polignac number, because 2504012305 - 2¹⁵ = 2503979537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250401226 + ... + 250401235.

It is an arithmetic number, because the mean of its divisors is an integer number (751203693).

Almost surely, 2^2504012305 is an apocalyptic number.

It is an amenable number.

2504012305 is a deficient number, since it is larger than the sum of its proper divisors (500802467).

2504012305 is an equidigital number, since it uses as much as digits as its factorization.

2504012305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500802466.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2504012305 is about 50040.1069643141. The cubic root of 2504012305 is about 1357.9344916391.

Adding to 2504012305 its reverse (5032104052), we get a palindrome (7536116357).

The spelling of 2504012305 in words is "two billion, five hundred four million, twelve thousand, three hundred five".