544888961 has 2 divisors, whose sum is σ = 544888962. Its totient is φ = 544888960.

The previous prime is 544888943. The next prime is 544888979. The reversal of 544888961 is 169888445.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (544888943) and next prime (544888979).

It can be written as a sum of positive squares in only one way, i.e., 379509361 + 165379600 = 19481^2 + 12860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544888961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (544888901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272444480 + 272444481.

It is an arithmetic number, because the mean of its divisors is an integer number (272444481).

Almost surely, 2^544888961 is an apocalyptic number.

It is an amenable number.

544888961 is a deficient number, since it is larger than the sum of its proper divisors (1).

544888961 is an equidigital number, since it uses as much as digits as its factorization.

544888961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 53.

The square root of 544888961 is about 23342.8567446232. The cubic root of 544888961 is about 816.7754392024.

The spelling of 544888961 in words is "five hundred forty-four million, eight hundred eighty-eight thousand, nine hundred sixty-one".