5731965 has 20 divisors (see below), whose sum is σ = 10275804. Its totient is φ = 3056832.

The previous prime is 5731963. The next prime is 5731967. The reversal of 5731965 is 5691375.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5731963) and next prime (5731967).

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 3606201 = 1458^2 + 1899^2 .

It is not a de Polignac number, because 5731965 - 2¹ = 5731963 is a prime.

It is a super-2 number, since 2×5731965² = 65710845522450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731963) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6672 + ... + 7481.

Almost surely, 2^5731965 is an apocalyptic number.

It is an amenable number.

5731965 is a deficient number, since it is larger than the sum of its proper divisors (4543839).

5731965 is a wasteful number, since it uses less digits than its factorization.

5731965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170 (or 14161 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 5731965 is about 2394.1522507978. The cubic root of 5731965 is about 178.9648922543.

The spelling of 5731965 in words is "five million, seven hundred thirty-one thousand, nine hundred sixty-five".