5731304 has 8 divisors (see below), whose sum is σ = 10746210. Its totient is φ = 2865648.

The previous prime is 5731291. The next prime is 5731309. The reversal of 5731304 is 4031375.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5244100 + 487204 = 2290^2 + 698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 5731304.

It is not an unprimeable number, because it can be changed into a prime (5731309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358199 + ... + 358214.

Almost surely, 2^5731304 is an apocalyptic number.

It is an amenable number.

5731304 is a deficient number, since it is larger than the sum of its proper divisors (5014906).

5731304 is a wasteful number, since it uses less digits than its factorization.

5731304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716419 (or 716415 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 5731304 is about 2394.0142021300. The cubic root of 5731304 is about 178.9580126856.

Adding to 5731304 its reverse (4031375), we get a palindrome (9762679).

The spelling of 5731304 in words is "five million, seven hundred thirty-one thousand, three hundred four".