544564897 has 2 divisors, whose sum is σ = 544564898. Its totient is φ = 544564896.

The previous prime is 544564883. The next prime is 544564903. The reversal of 544564897 is 798465445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486820096 + 57744801 = 22064^2 + 7599^2 .

It is a cyclic number.

It is not a de Polignac number, because 544564897 - 2²⁷ = 410347169 is a prime.

It is not a weakly prime, because it can be changed into another prime (544568897) 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, 272282448 + 272282449.

It is an arithmetic number, because the mean of its divisors is an integer number (272282449).

Almost surely, 2^544564897 is an apocalyptic number.

It is an amenable number.

544564897 is a deficient number, since it is larger than the sum of its proper divisors (1).

544564897 is an equidigital number, since it uses as much as digits as its factorization.

544564897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 52.

The square root of 544564897 is about 23335.9143167779. The cubic root of 544564897 is about 816.6134857128.

The spelling of 544564897 in words is "five hundred forty-four million, five hundred sixty-four thousand, eight hundred ninety-seven".