5961813 has 24 divisors (see below), whose sum is σ = 9398880. Its totient is φ = 3332160.

The previous prime is 5961797. The next prime is 5961833. The reversal of 5961813 is 3181695.

It is not a de Polignac number, because 5961813 - 2⁴ = 5961797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5961833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5043 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (391620).

Almost surely, 2^5961813 is an apocalyptic number.

It is an amenable number.

5961813 is a deficient number, since it is larger than the sum of its proper divisors (3437067).

5961813 is a wasteful number, since it uses less digits than its factorization.

5961813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1096 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 5961813 is about 2441.6824117809. The cubic root of 5961813 is about 181.3257364026.

The spelling of 5961813 in words is "five million, nine hundred sixty-one thousand, eight hundred thirteen".