5731945 has 8 divisors (see below), whose sum is σ = 7177536. Its totient is φ = 4386096.

The previous prime is 5731919. The next prime is 5731949. The reversal of 5731945 is 5491375.

5731945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5731945 - 2⁹ = 5731433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5731945.

It is not an unprimeable number, because it can be changed into a prime (5731949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24807 + ... + 25036.

It is an arithmetic number, because the mean of its divisors is an integer number (897192).

Almost surely, 2^5731945 is an apocalyptic number.

It is an amenable number.

5731945 is a deficient number, since it is larger than the sum of its proper divisors (1445591).

5731945 is a wasteful number, since it uses less digits than its factorization.

5731945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49871.

The product of its digits is 18900, while the sum is 34.

The square root of 5731945 is about 2394.1480739503. The cubic root of 5731945 is about 178.9646841057.

The spelling of 5731945 in words is "five million, seven hundred thirty-one thousand, nine hundred forty-five".