4050013531 has 4 divisors (see below), whose sum is σ = 4189669200. Its totient is φ = 3910357864.

The previous prime is 4050013529. The next prime is 4050013553. The reversal of 4050013531 is 1353100504.

It is a happy number.

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 4050013531 - 2¹ = 4050013529 is a prime.

It is a super-2 number, since 2×4050013531² = 32805219202566175922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4050011531) 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, 69827791 + ... + 69827848.

It is an arithmetic number, because the mean of its divisors is an integer number (1047417300).

Almost surely, 2^4050013531 is an apocalyptic number.

4050013531 is a deficient number, since it is larger than the sum of its proper divisors (139655669).

4050013531 is a wasteful number, since it uses less digits than its factorization.

4050013531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139655668.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 4050013531 is about 63639.7166162767. The cubic root of 4050013531 is about 1593.9896289365.

The spelling of 4050013531 in words is "four billion, fifty million, thirteen thousand, five hundred thirty-one".