5817961 has 4 divisors (see below), whose sum is σ = 6160212. Its totient is φ = 5475712.

The previous prime is 5817947. The next prime is 5817967. The reversal of 5817961 is 1697185.

5817961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3115225 + 2702736 = 1765^2 + 1644^2 .

It is a cyclic number.

It is not a de Polignac number, because 5817961 - 2¹⁵ = 5785193 is a prime.

It is a super-3 number, since 3×5817961³ (a number of 21 digits) contains 333 as substring.

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 5817961.

It is not an unprimeable number, because it can be changed into a prime (5817967) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 171100 + ... + 171133.

It is an arithmetic number, because the mean of its divisors is an integer number (1540053).

Almost surely, 2^5817961 is an apocalyptic number.

It is an amenable number.

5817961 is a deficient number, since it is larger than the sum of its proper divisors (342251).

5817961 is a wasteful number, since it uses less digits than its factorization.

5817961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342250.

The product of its digits is 15120, while the sum is 37.

The square root of 5817961 is about 2412.0449829968. The cubic root of 5817961 is about 179.8554497927.

The spelling of 5817961 in words is "five million, eight hundred seventeen thousand, nine hundred sixty-one".