5211913 has 4 divisors (see below), whose sum is σ = 5956480. Its totient is φ = 4467348.

The previous prime is 5211881. The next prime is 5211919. The reversal of 5211913 is 3191125.

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 5211913 - 2⁵ = 5211881 is a prime.

It is a Duffinian number.

5211913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5211919) 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, 372273 + ... + 372286.

It is an arithmetic number, because the mean of its divisors is an integer number (1489120).

Almost surely, 2^5211913 is an apocalyptic number.

It is an amenable number.

5211913 is a deficient number, since it is larger than the sum of its proper divisors (744567).

5211913 is an equidigital number, since it uses as much as digits as its factorization.

5211913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744566.

The product of its digits is 270, while the sum is 22.

The square root of 5211913 is about 2282.9614539015. The cubic root of 5211913 is about 173.3800215290.

The spelling of 5211913 in words is "five million, two hundred eleven thousand, nine hundred thirteen".