5731345 has 8 divisors (see below), whose sum is σ = 6892776. Its totient is φ = 4574976.

The previous prime is 5731339. The next prime is 5731351. The reversal of 5731345 is 5431375.

It is an interprime number because it is at equal distance from previous prime (5731339) and next prime (5731351).

It can be written as a sum of positive squares in 4 ways, for example, as 1185921 + 4545424 = 1089^2 + 2132^2 .

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 5731345 - 2⁹ = 5730833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1999 + ... + 3931.

It is an arithmetic number, because the mean of its divisors is an integer number (861597).

Almost surely, 2^5731345 is an apocalyptic number.

It is an amenable number.

5731345 is a deficient number, since it is larger than the sum of its proper divisors (1161431).

5731345 is a wasteful number, since it uses less digits than its factorization.

5731345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531.

The product of its digits is 6300, while the sum is 28.

The square root of 5731345 is about 2394.0227651382. The cubic root of 5731345 is about 178.9584394216.

The spelling of 5731345 in words is "five million, seven hundred thirty-one thousand, three hundred forty-five".