5681197 has 4 divisors (see below), whose sum is σ = 5694300. Its totient is φ = 5668096.

The previous prime is 5681191. The next prime is 5681201. The reversal of 5681197 is 7911865.

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 1212201 + 4468996 = 1101^2 + 2114^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681197 - 2¹⁵ = 5648429 is a prime.

It is a Duffinian number.

5681197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681191) 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, 5878 + ... + 6775.

It is an arithmetic number, because the mean of its divisors is an integer number (1423575).

Almost surely, 2^5681197 is an apocalyptic number.

It is an amenable number.

5681197 is a deficient number, since it is larger than the sum of its proper divisors (13103).

5681197 is a wasteful number, since it uses less digits than its factorization.

5681197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13102.

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

The square root of 5681197 is about 2383.5261693550. The cubic root of 5681197 is about 178.4349607561.

The spelling of 5681197 in words is "five million, six hundred eighty-one thousand, one hundred ninety-seven".