5391977 has 2 divisors, whose sum is σ = 5391978. Its totient is φ = 5391976.

The previous prime is 5391961. The next prime is 5391979. The reversal of 5391977 is 7791935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4857616 + 534361 = 2204^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 5391977 - 2⁴ = 5391961 is a prime.

Together with 5391979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5391979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695988 + 2695989.

It is an arithmetic number, because the mean of its divisors is an integer number (2695989).

Almost surely, 2^5391977 is an apocalyptic number.

It is an amenable number.

5391977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5391977 is an equidigital number, since it uses as much as digits as its factorization.

5391977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59535, while the sum is 41.

The square root of 5391977 is about 2322.0630913048. The cubic root of 5391977 is about 175.3541345813.

The spelling of 5391977 in words is "five million, three hundred ninety-one thousand, nine hundred seventy-seven".