545911033 has 2 divisors, whose sum is σ = 545911034. Its totient is φ = 545911032.

The previous prime is 545911027. The next prime is 545911073. The reversal of 545911033 is 330119545.

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., 454670329 + 91240704 = 21323^2 + 9552^2 .

It is a cyclic number.

It is not a de Polignac number, because 545911033 - 2⁵ = 545911001 is a prime.

It is a super-2 number, since 2×545911033² = 596037711902254178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545910986 and 545911004.

It is not a weakly prime, because it can be changed into another prime (545911073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272955516 + 272955517.

It is an arithmetic number, because the mean of its divisors is an integer number (272955517).

Almost surely, 2^545911033 is an apocalyptic number.

It is an amenable number.

545911033 is a deficient number, since it is larger than the sum of its proper divisors (1).

545911033 is an equidigital number, since it uses as much as digits as its factorization.

545911033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 545911033 is about 23364.7390954832. The cubic root of 545911033 is about 817.2858073390.

The spelling of 545911033 in words is "five hundred forty-five million, nine hundred eleven thousand, thirty-three".