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5493 = 31831

5493 has 4 divisors (see below), whose sum is σ = 7328. Its totient is φ = 3660.

The previous prime is 5483. The next prime is 5501. The reversal of 5493 is 3945.

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 not a de Polignac number, because 5493 - 24 = 5477 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5413) 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, 913 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (1832).

25493 is an apocalyptic number.

It is an amenable number.

5493 is a deficient number, since it is larger than the sum of its proper divisors (1835).

5493 is a wasteful number, since it uses less digits than its factorization.

5493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834.

The product of its digits is 540, while the sum is 21.

The square root of 5493 is about 74.1147758548. The cubic root of 5493 is about 17.6442498797.

The spelling of 5493 in words is "five thousand, four hundred ninety-three".

Divisors: 1 3 1831 5493