5981797 has 2 divisors, whose sum is σ = 5981798. Its totient is φ = 5981796.

The previous prime is 5981749. The next prime is 5981813. The reversal of 5981797 is 7971895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 2709316 = 1809^2 + 1646^2 .

It is a cyclic number.

It is not a de Polignac number, because 5981797 - 2⁷ = 5981669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5981707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2990898 + 2990899.

It is an arithmetic number, because the mean of its divisors is an integer number (2990899).

Almost surely, 2^5981797 is an apocalyptic number.

It is an amenable number.

5981797 is a deficient number, since it is larger than the sum of its proper divisors (1).

5981797 is an equidigital number, since it uses as much as digits as its factorization.

5981797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 46.

The square root of 5981797 is about 2445.7712485022. The cubic root of 5981797 is about 181.5281117681.

The spelling of 5981797 in words is "five million, nine hundred eighty-one thousand, seven hundred ninety-seven".