2445040531 has 4 divisors (see below), whose sum is σ = 2445698200. Its totient is φ = 2444382864.

The previous prime is 2445040529. The next prime is 2445040541. The reversal of 2445040531 is 1350405442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1350405442 = 2 ⋅675202721.

It is a cyclic number.

It is not a de Polignac number, because 2445040531 - 2¹ = 2445040529 is a prime.

It is a super-2 number, since 2×2445040531² = 11956446396465523922, 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 2445040531.

It is not an unprimeable number, because it can be changed into a prime (2445040541) 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 3 ways as a sum of consecutive naturals, for example, 323226 + ... + 330703.

It is an arithmetic number, because the mean of its divisors is an integer number (611424550).

Almost surely, 2^2445040531 is an apocalyptic number.

2445040531 is a deficient number, since it is larger than the sum of its proper divisors (657669).

2445040531 is an equidigital number, since it uses as much as digits as its factorization.

2445040531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657668.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2445040531 is about 49447.3511019549. The cubic root of 2445040531 is about 1347.1894947405.

Adding to 2445040531 its reverse (1350405442), we get a palindrome (3795445973).

The spelling of 2445040531 in words is "two billion, four hundred forty-five million, forty thousand, five hundred thirty-one".