5351993 has 4 divisors (see below), whose sum is σ = 5453028. Its totient is φ = 5250960.

The previous prime is 5351971. The next prime is 5352001. The reversal of 5351993 is 3991535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 3892729 = 1208^2 + 1973^2 .

It is a cyclic number.

It is not a de Polignac number, because 5351993 - 2¹² = 5347897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5351953) 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, 50438 + ... + 50543.

It is an arithmetic number, because the mean of its divisors is an integer number (1363257).

Almost surely, 2^5351993 is an apocalyptic number.

5351993 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5351993 is a deficient number, since it is larger than the sum of its proper divisors (101035).

5351993 is a wasteful number, since it uses less digits than its factorization.

5351993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101034.

The product of its digits is 18225, while the sum is 35.

The square root of 5351993 is about 2313.4374856477. The cubic root of 5351993 is about 174.9196147819.

The spelling of 5351993 in words is "five million, three hundred fifty-one thousand, nine hundred ninety-three".