544051309 has 2 divisors, whose sum is σ = 544051310. Its totient is φ = 544051308.

The previous prime is 544051283. The next prime is 544051327. The reversal of 544051309 is 903150445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452753284 + 91298025 = 21278^2 + 9555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544051309 is a prime.

It is a super-2 number, since 2×544051309² = 591983653649226962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544051379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272025654 + 272025655.

It is an arithmetic number, because the mean of its divisors is an integer number (272025655).

Almost surely, 2^544051309 is an apocalyptic number.

It is an amenable number.

544051309 is a deficient number, since it is larger than the sum of its proper divisors (1).

544051309 is an equidigital number, since it uses as much as digits as its factorization.

544051309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 544051309 is about 23324.9074810598. The cubic root of 544051309 is about 816.3566844837.

It can be divided in two parts, 54405 and 1309, that multiplied together give a triangular number (71216145 = T₁₁₉₃₄).

The spelling of 544051309 in words is "five hundred forty-four million, fifty-one thousand, three hundred nine".