5175991 has 2 divisors, whose sum is σ = 5175992. Its totient is φ = 5175990.

The previous prime is 5175931. The next prime is 5176009. The reversal of 5175991 is 1995715.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5175991 - 2¹¹ = 5173943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5175991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5175931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2587995 + 2587996.

It is an arithmetic number, because the mean of its divisors is an integer number (2587996).

Almost surely, 2^5175991 is an apocalyptic number.

5175991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5175991 is an equidigital number, since it uses as much as digits as its factorization.

5175991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14175, while the sum is 37.

The square root of 5175991 is about 2275.0804381384. The cubic root of 5175991 is about 172.9807745907.

The spelling of 5175991 in words is "five million, one hundred seventy-five thousand, nine hundred ninety-one".