5691137 has 2 divisors, whose sum is σ = 5691138. Its totient is φ = 5691136.

The previous prime is 5691131. The next prime is 5691139. The reversal of 5691137 is 7311965.

5691137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3254416 + 2436721 = 1804^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 5691137 - 2⁴ = 5691121 is a prime.

Together with 5691139, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5691131) 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 as a sum of consecutive naturals, namely, 2845568 + 2845569.

It is an arithmetic number, because the mean of its divisors is an integer number (2845569).

Almost surely, 2^5691137 is an apocalyptic number.

It is an amenable number.

5691137 is a deficient number, since it is larger than the sum of its proper divisors (1).

5691137 is an equidigital number, since it uses as much as digits as its factorization.

5691137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 5691137 is about 2385.6104040685. The cubic root of 5691137 is about 178.5389652530.

It can be divided in two parts, 569 and 1137, that multiplied together give a triangular number (646953 = T₁₁₃₇).

The spelling of 5691137 in words is "five million, six hundred ninety-one thousand, one hundred thirty-seven".