5983781 has 2 divisors, whose sum is σ = 5983782. Its totient is φ = 5983780.

The previous prime is 5983723. The next prime is 5983799. The reversal of 5983781 is 1873895.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4661281 + 1322500 = 2159^2 + 1150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5983781 is a prime.

It is a super-2 number, since 2×5983781² = 71611270111922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5983181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2991890 + 2991891.

It is an arithmetic number, because the mean of its divisors is an integer number (2991891).

Almost surely, 2^5983781 is an apocalyptic number.

It is an amenable number.

5983781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5983781 is an equidigital number, since it uses as much as digits as its factorization.

5983781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 5983781 is about 2446.1768129062. The cubic root of 5983781 is about 181.5481788685.

The spelling of 5983781 in words is "five million, nine hundred eighty-three thousand, seven hundred eighty-one".