5197761 has 6 divisors (see below), whose sum is σ = 7507890. Its totient is φ = 3465168.

The previous prime is 5197727. The next prime is 5197769. The reversal of 5197761 is 1677915.

It can be written as a sum of positive squares in only one way, i.e., 4928400 + 269361 = 2220^2 + 519^2 .

It is not a de Polignac number, because 5197761 - 2⁹ = 5197249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5197769) 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 5 ways as a sum of consecutive naturals, for example, 288756 + ... + 288773.

It is an arithmetic number, because the mean of its divisors is an integer number (1251315).

Almost surely, 2^5197761 is an apocalyptic number.

It is an amenable number.

5197761 is a deficient number, since it is larger than the sum of its proper divisors (2310129).

5197761 is a wasteful number, since it uses less digits than its factorization.

5197761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577535 (or 577532 counting only the distinct ones).

The product of its digits is 13230, while the sum is 36.

The square root of 5197761 is about 2279.8598641145. The cubic root of 5197761 is about 173.2229519939. Note that the first 3 decimals are identical.

The spelling of 5197761 in words is "five million, one hundred ninety-seven thousand, seven hundred sixty-one".