2504243045 has 8 divisors (see below), whose sum is σ = 3005913240. Its totient is φ = 2002846720.

The previous prime is 2504243039. The next prime is 2504243047. The reversal of 2504243045 is 5403424052.

It can be written as a sum of positive squares in 4 ways, for example, as 209641441 + 2294601604 = 14479^2 + 47902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2504243045 - 2⁶ = 2504242981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2504242999 and 2504243017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504243047) 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 7 ways as a sum of consecutive naturals, for example, 47780 + ... + 85389.

It is an arithmetic number, because the mean of its divisors is an integer number (375739155).

Almost surely, 2^2504243045 is an apocalyptic number.

It is an amenable number.

2504243045 is a deficient number, since it is larger than the sum of its proper divisors (501670195).

2504243045 is a wasteful number, since it uses less digits than its factorization.

2504243045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136935.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2504243045 is about 50042.4124618308. The cubic root of 2504243045 is about 1357.9762007234.

Adding to 2504243045 its reverse (5403424052), we get a palindrome (7907667097).

The spelling of 2504243045 in words is "two billion, five hundred four million, two hundred forty-three thousand, forty-five".