5220999213 has 4 divisors (see below), whose sum is σ = 6961332288. Its totient is φ = 3480666140.
The previous prime is 5220999197. The next prime is 5220999221. The reversal of 5220999213 is 3129990225.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 5220999213 - 24 = 5220999197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5220999233) 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, 870166533 + ... + 870166538.
It is an arithmetic number, because the mean of its divisors is an integer number (1740333072).
Almost surely, 25220999213 is an apocalyptic number.
It is an amenable number.
5220999213 is a deficient number, since it is larger than the sum of its proper divisors (1740333075).
5220999213 is a wasteful number, since it uses less digits than its factorization.
5220999213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1740333074.
The product of its (nonzero) digits is 87480, while the sum is 42.
The square root of 5220999213 is about 72256.4821521225. The cubic root of 5220999213 is about 1734.8071732704.
The spelling of 5220999213 in words is "five billion, two hundred twenty million, nine hundred ninety-nine thousand, two hundred thirteen".
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