5439191 has 2 divisors, whose sum is σ = 5439192. Its totient is φ = 5439190.

The previous prime is 5439173. The next prime is 5439197. The reversal of 5439191 is 1919345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5439191 is a prime.

It is a Sophie Germain 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 (5439197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719595 + 2719596.

It is an arithmetic number, because the mean of its divisors is an integer number (2719596).

Almost surely, 2^5439191 is an apocalyptic number.

5439191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5439191 is an equidigital number, since it uses as much as digits as its factorization.

5439191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 32.

The square root of 5439191 is about 2332.2073235457. The cubic root of 5439191 is about 175.8644682306.

The spelling of 5439191 in words is "five million, four hundred thirty-nine thousand, one hundred ninety-one".