2504145131 has 4 divisors (see below), whose sum is σ = 2504254632. Its totient is φ = 2504035632.

The previous prime is 2504145043. The next prime is 2504145139. The reversal of 2504145131 is 1315414052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2504145131 - 2¹⁰ = 2504144107 is a prime.

It is a super-2 number, since 2×2504145131² = 12541485674222014322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2504145131.

It is not an unprimeable number, because it can be changed into a prime (2504145139) 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, 5945 + ... + 71018.

It is an arithmetic number, because the mean of its divisors is an integer number (626063658).

Almost surely, 2^2504145131 is an apocalyptic number.

2504145131 is a deficient number, since it is larger than the sum of its proper divisors (109501).

2504145131 is an equidigital number, since it uses as much as digits as its factorization.

2504145131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109500.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2504145131 is about 50041.4341421187. The cubic root of 2504145131 is about 1357.9585018802.

Adding to 2504145131 its reverse (1315414052), we get a palindrome (3819559183).

The spelling of 2504145131 in words is "two billion, five hundred four million, one hundred forty-five thousand, one hundred thirty-one".