5451943 has 8 divisors (see below), whose sum is σ = 6501888. Its totient is φ = 4469784.

The previous prime is 5451937. The next prime is 5451947. The reversal of 5451943 is 3491545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5451943 - 2⁹ = 5451431 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451947) 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 7 ways as a sum of consecutive naturals, for example, 16771 + ... + 17092.

It is an arithmetic number, because the mean of its divisors is an integer number (812736).

Almost surely, 2^5451943 is an apocalyptic number.

5451943 is a deficient number, since it is larger than the sum of its proper divisors (1049945).

5451943 is a wasteful number, since it uses less digits than its factorization.

5451943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33893.

The product of its digits is 10800, while the sum is 31.

The square root of 5451943 is about 2334.9396137802. The cubic root of 5451943 is about 176.0017970719.

The spelling of 5451943 in words is "five million, four hundred fifty-one thousand, nine hundred forty-three".