5221240133 has 2 divisors, whose sum is σ = 5221240134. Its totient is φ = 5221240132.

The previous prime is 5221240117. The next prime is 5221240151. The reversal of 5221240133 is 3310421225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4091137444 + 1130102689 = 63962^2 + 33617^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221240133 - 2⁴ = 5221240117 is a prime.

It is a super-2 number, since 2×5221240133² = 54522697052899715378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5221240099 and 5221240108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221240153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610620066 + 2610620067.

It is an arithmetic number, because the mean of its divisors is an integer number (2610620067).

Almost surely, 2^5221240133 is an apocalyptic number.

It is an amenable number.

5221240133 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221240133 is an equidigital number, since it uses as much as digits as its factorization.

5221240133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5221240133 is about 72258.1492497559. The cubic root of 5221240133 is about 1734.8338567525.

Adding to 5221240133 its reverse (3310421225), we get a palindrome (8531661358).

The spelling of 5221240133 in words is "five billion, two hundred twenty-one million, two hundred forty thousand, one hundred thirty-three".