5956781 has 4 divisors (see below), whose sum is σ = 5970972. Its totient is φ = 5942592.

The previous prime is 5956771. The next prime is 5956787. The reversal of 5956781 is 1876595.

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 434281 + 5522500 = 659^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 5956781 - 2¹⁴ = 5940397 is a prime.

It is a super-2 number, since 2×5956781² = 70966479763922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5956787) 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 3 ways as a sum of consecutive naturals, for example, 6446 + ... + 7311.

It is an arithmetic number, because the mean of its divisors is an integer number (1492743).

Almost surely, 2^5956781 is an apocalyptic number.

It is an amenable number.

5956781 is a deficient number, since it is larger than the sum of its proper divisors (14191).

5956781 is a wasteful number, since it uses less digits than its factorization.

5956781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190.

The product of its digits is 75600, while the sum is 41.

The square root of 5956781 is about 2440.6517572157. The cubic root of 5956781 is about 181.2747067390.

The spelling of 5956781 in words is "five million, nine hundred fifty-six thousand, seven hundred eighty-one".