5211530 has 8 divisors (see below), whose sum is σ = 9380772.
Its totient is φ = 2084608.
The previous prime is 5211523. The next prime is 5211539. The reversal of 5211530 is 351125.
It can be written as a sum of positive squares in 2 ways, for example, as 5193841 + 17689 = 2279^2 + 133^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 5211499 and 5211508.
It is not an unprimeable number, because it can be changed into a prime (5211539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260567 + ... + 260586.
Almost surely, 25211530 is an apocalyptic number.
5211530 is a deficient number, since it is larger than the sum of its proper divisors (4169242).
5211530 is a wasteful number, since it uses less digits than its factorization.
5211530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521160.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 5211530 is about 2282.8775700856.
The cubic root of 5211530 is about 173.3757744528.
Adding to 5211530 its reverse (351125), we get a palindrome (5562655).
The spelling of 5211530 in words is "five million, two hundred eleven thousand, five hundred thirty".