544113181 has 2 divisors, whose sum is σ = 544113182. Its totient is φ = 544113180.

The previous prime is 544113179. The next prime is 544113191. The reversal of 544113181 is 181311445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434722500 + 109390681 = 20850^2 + 10459^2 .

It is a cyclic number.

It is not a de Polignac number, because 544113181 - 2¹ = 544113179 is a prime.

It is a super-2 number, since 2×544113181² = 592118307475877522, which contains 22 as substring.

Together with 544113179, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544113121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272056590 + 272056591.

It is an arithmetic number, because the mean of its divisors is an integer number (272056591).

Almost surely, 2^544113181 is an apocalyptic number.

It is an amenable number.

544113181 is a deficient number, since it is larger than the sum of its proper divisors (1).

544113181 is an equidigital number, since it uses as much as digits as its factorization.

544113181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 28.

The square root of 544113181 is about 23326.2337508651. The cubic root of 544113181 is about 816.3876299143.

The spelling of 544113181 in words is "five hundred forty-four million, one hundred thirteen thousand, one hundred eighty-one".