5244213133 has 4 divisors (see below), whose sum is σ = 5257035580. Its totient is φ = 5231390688.

The previous prime is 5244213077. The next prime is 5244213137. The reversal of 5244213133 is 3313124425.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2720456964 + 2523756169 = 52158^2 + 50237^2 .

It is a cyclic number.

It is not a de Polignac number, because 5244213133 - 2⁹ = 5244212621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5244213137) 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, 6410610 + ... + 6411427.

It is an arithmetic number, because the mean of its divisors is an integer number (1314258895).

Almost surely, 2^5244213133 is an apocalyptic number.

It is an amenable number.

5244213133 is a deficient number, since it is larger than the sum of its proper divisors (12822447).

5244213133 is a wasteful number, since it uses less digits than its factorization.

5244213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822446.

The product of its digits is 8640, while the sum is 28.

The square root of 5244213133 is about 72416.9395445568. The cubic root of 5244213133 is about 1737.3745065963.

Adding to 5244213133 its reverse (3313124425), we get a palindrome (8557337558).

The spelling of 5244213133 in words is "five billion, two hundred forty-four million, two hundred thirteen thousand, one hundred thirty-three".