545961203 has 2 divisors, whose sum is σ = 545961204. Its totient is φ = 545961202.

The previous prime is 545961193. The next prime is 545961217. The reversal of 545961203 is 302169545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545961203 - 2¹⁶ = 545895667 is a prime.

It is not a weakly prime, because it can be changed into another prime (545961253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272980601 + 272980602.

It is an arithmetic number, because the mean of its divisors is an integer number (272980602).

Almost surely, 2^545961203 is an apocalyptic number.

545961203 is a deficient number, since it is larger than the sum of its proper divisors (1).

545961203 is an equidigital number, since it uses as much as digits as its factorization.

545961203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 545961203 is about 23365.8126971865. The cubic root of 545961203 is about 817.3108431479.

The spelling of 545961203 in words is "five hundred forty-five million, nine hundred sixty-one thousand, two hundred three".