5221993 has 4 divisors (see below), whose sum is σ = 5968000. Its totient is φ = 4475988.

The previous prime is 5221987. The next prime is 5222011. The reversal of 5221993 is 3991225.

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 a de Polignac number, because none of the positive numbers 2^k-5221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221933) 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, 372993 + ... + 373006.

It is an arithmetic number, because the mean of its divisors is an integer number (1492000).

Almost surely, 2^5221993 is an apocalyptic number.

It is an amenable number.

5221993 is a deficient number, since it is larger than the sum of its proper divisors (746007).

5221993 is an equidigital number, since it uses as much as digits as its factorization.

5221993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746006.

The product of its digits is 4860, while the sum is 31.

The square root of 5221993 is about 2285.1680463371. The cubic root of 5221993 is about 173.4917236458.

The spelling of 5221993 in words is "five million, two hundred twenty-one thousand, nine hundred ninety-three".