5211816 has 32 divisors (see below), whose sum is σ = 13086240. Its totient is φ = 1729728.

The previous prime is 5211803. The next prime is 5211827. The reversal of 5211816 is 6181125.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9255 + ... + 9801.

It is an arithmetic number, because the mean of its divisors is an integer number (408945).

Almost surely, 2^5211816 is an apocalyptic number.

It is an amenable number.

5211816 is an abundant number, since it is smaller than the sum of its proper divisors (7874424).

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

5211816 is a wasteful number, since it uses less digits than its factorization.

5211816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 949 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 5211816 is about 2282.9402094667. The cubic root of 5211816 is about 173.3789459184.

The spelling of 5211816 in words is "five million, two hundred eleven thousand, eight hundred sixteen".