545105237 has 2 divisors, whose sum is σ = 545105238. Its totient is φ = 545105236.

The previous prime is 545105227. The next prime is 545105243. The reversal of 545105237 is 732501545.

545105237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480881041 + 64224196 = 21929^2 + 8014^2 .

It is a cyclic number.

It is not a de Polignac number, because 545105237 - 2⁸ = 545104981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545105227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272552618 + 272552619.

It is an arithmetic number, because the mean of its divisors is an integer number (272552619).

Almost surely, 2^545105237 is an apocalyptic number.

It is an amenable number.

545105237 is a deficient number, since it is larger than the sum of its proper divisors (1).

545105237 is an equidigital number, since it uses as much as digits as its factorization.

545105237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 545105237 is about 23347.4888799631. The cubic root of 545105237 is about 816.8834890811.

The spelling of 545105237 in words is "five hundred forty-five million, one hundred five thousand, two hundred thirty-seven".