4045113531 has 6 divisors (see below), whose sum is σ = 5842941780. Its totient is φ = 2696742348.

The previous prime is 4045113521. The next prime is 4045113533. The reversal of 4045113531 is 1353115404.

It is a happy number.

It is not a de Polignac number, because 4045113531 - 2⁹ = 4045113019 is a prime.

It is a super-2 number, since 2×4045113531² = 32725886957358575922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4045113495 and 4045113504.

It is not an unprimeable number, because it can be changed into a prime (4045113533) 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 5 ways as a sum of consecutive naturals, for example, 224728521 + ... + 224728538.

It is an arithmetic number, because the mean of its divisors is an integer number (973823630).

Almost surely, 2^4045113531 is an apocalyptic number.

4045113531 is a deficient number, since it is larger than the sum of its proper divisors (1797828249).

4045113531 is a wasteful number, since it uses less digits than its factorization.

4045113531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449457065 (or 449457062 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4045113531 is about 63601.2069932639. The cubic root of 4045113531 is about 1593.3465281037.

Adding to 4045113531 its reverse (1353115404), we get a palindrome (5398228935).

The spelling of 4045113531 in words is "four billion, forty-five million, one hundred thirteen thousand, five hundred thirty-one".