5221005042 has 48 divisors (see below), whose sum is σ = 11606686560. Its totient is φ = 1564326720.

The previous prime is 5221005029. The next prime is 5221005043. The reversal of 5221005042 is 2405001225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5221005043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24213 + ... + 105015.

It is an arithmetic number, because the mean of its divisors is an integer number (241805970).

Almost surely, 2^5221005042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5221005042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5803343280).

5221005042 is an abundant number, since it is smaller than the sum of its proper divisors (6385681518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5221005042 is a wasteful number, since it uses less digits than its factorization.

5221005042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80919 (or 80908 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5221005042 is about 72256.5224875928. The cubic root of 5221005042 is about 1734.8078188804.

Adding to 5221005042 its reverse (2405001225), we get a palindrome (7626006267).

The spelling of 5221005042 in words is "five billion, two hundred twenty-one million, five thousand, forty-two".