544212731 has 2 divisors, whose sum is σ = 544212732. Its totient is φ = 544212730.

The previous prime is 544212727. The next prime is 544212769. The reversal of 544212731 is 137212445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544212731 - 2² = 544212727 is a prime.

It is a super-2 number, since 2×544212731² = 592334993164956722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 544212694 and 544212703.

It is not a weakly prime, because it can be changed into another prime (544215731) 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, 272106365 + 272106366.

It is an arithmetic number, because the mean of its divisors is an integer number (272106366).

Almost surely, 2^544212731 is an apocalyptic number.

544212731 is a deficient number, since it is larger than the sum of its proper divisors (1).

544212731 is an equidigital number, since it uses as much as digits as its factorization.

544212731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 544212731 is about 23328.3675168238. The cubic root of 544212731 is about 816.4374151646.

The spelling of 544212731 in words is "five hundred forty-four million, two hundred twelve thousand, seven hundred thirty-one".