545314249 has 2 divisors, whose sum is σ = 545314250. Its totient is φ = 545314248.

The previous prime is 545314243. The next prime is 545314271. The reversal of 545314249 is 942413545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542890000 + 2424249 = 23300^2 + 1557^2 .

It is a cyclic number.

It is not a de Polignac number, because 545314249 - 2³ = 545314241 is a prime.

It is not a weakly prime, because it can be changed into another prime (545314241) 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, 272657124 + 272657125.

It is an arithmetic number, because the mean of its divisors is an integer number (272657125).

Almost surely, 2^545314249 is an apocalyptic number.

It is an amenable number.

545314249 is a deficient number, since it is larger than the sum of its proper divisors (1).

545314249 is an equidigital number, since it uses as much as digits as its factorization.

545314249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 545314249 is about 23351.9645640361. The cubic root of 545314249 is about 816.9878827667.

The spelling of 545314249 in words is "five hundred forty-five million, three hundred fourteen thousand, two hundred forty-nine".