2504145331 has 4 divisors (see below), whose sum is σ = 2590495200. Its totient is φ = 2417795464.

The previous prime is 2504145323. The next prime is 2504145349. The reversal of 2504145331 is 1335414052.

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

It is a cyclic number.

It is not a de Polignac number, because 2504145331 - 2³ = 2504145323 is a prime.

It is a super-2 number, since 2×2504145331² = 12541487677538199122, 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 2504145331.

It is not an unprimeable number, because it can be changed into a prime (2504145361) 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, 43174891 + ... + 43174948.

It is an arithmetic number, because the mean of its divisors is an integer number (647623800).

Almost surely, 2^2504145331 is an apocalyptic number.

2504145331 is a deficient number, since it is larger than the sum of its proper divisors (86349869).

2504145331 is an equidigital number, since it uses as much as digits as its factorization.

2504145331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86349868.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2504145331 is about 50041.4361404626. The cubic root of 2504145331 is about 1357.9585380325.

Adding to 2504145331 its reverse (1335414052), we get a palindrome (3839559383).

The spelling of 2504145331 in words is "two billion, five hundred four million, one hundred forty-five thousand, three hundred thirty-one".