4251943 has 4 divisors (see below), whose sum is σ = 4293328. Its totient is φ = 4210560.

The previous prime is 4251931. The next prime is 4251967. The reversal of 4251943 is 3491524.

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

It is a cyclic number.

It is not a de Polignac number, because 4251943 - 2²¹ = 2154791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251043) 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, 20538 + ... + 20743.

It is an arithmetic number, because the mean of its divisors is an integer number (1073332).

Almost surely, 2^4251943 is an apocalyptic number.

4251943 is a deficient number, since it is larger than the sum of its proper divisors (41385).

4251943 is a wasteful number, since it uses less digits than its factorization.

4251943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41384.

The product of its digits is 4320, while the sum is 28.

The square root of 4251943 is about 2062.0240056799. The cubic root of 4251943 is about 162.0052708746.

The spelling of 4251943 in words is "four million, two hundred fifty-one thousand, nine hundred forty-three".