5161943 has 2 divisors, whose sum is σ = 5161944. Its totient is φ = 5161942.

The previous prime is 5161927. The next prime is 5161967. The reversal of 5161943 is 3491615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5161943 - 2⁴ = 5161927 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5161993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580971 + 2580972.

It is an arithmetic number, because the mean of its divisors is an integer number (2580972).

Almost surely, 2^5161943 is an apocalyptic number.

5161943 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161943 is an equidigital number, since it uses as much as digits as its factorization.

5161943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 5161943 is about 2271.9909770948. The cubic root of 5161943 is about 172.8241388425.

The spelling of 5161943 in words is "five million, one hundred sixty-one thousand, nine hundred forty-three".