2504145305 has 8 divisors (see below), whose sum is σ = 3181737672. Its totient is φ = 1885474048.

The previous prime is 2504145277. The next prime is 2504145313. The reversal of 2504145305 is 5035414052.

It can be written as a sum of positive squares in 4 ways, for example, as 990235024 + 1513910281 = 31468^2 + 38909^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2504145305 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14730182 + ... + 14730351.

It is an arithmetic number, because the mean of its divisors is an integer number (397717209).

Almost surely, 2^2504145305 is an apocalyptic number.

It is an amenable number.

2504145305 is a deficient number, since it is larger than the sum of its proper divisors (677592367).

2504145305 is a wasteful number, since it uses less digits than its factorization.

2504145305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29460555.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2504145305 is about 50041.4358806779. The cubic root of 2504145305 is about 1357.9585333327.

Adding to 2504145305 its reverse (5035414052), we get a palindrome (7539559357).

The spelling of 2504145305 in words is "two billion, five hundred four million, one hundred forty-five thousand, three hundred five".