545423033 has 2 divisors, whose sum is σ = 545423034. Its totient is φ = 545423032.

The previous prime is 545423009. The next prime is 545423107. The reversal of 545423033 is 330324545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441546169 + 103876864 = 21013^2 + 10192^2 .

It is a cyclic number.

It is not a de Polignac number, because 545423033 - 2¹⁴ = 545406649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545422987 and 545423005.

It is not a weakly prime, because it can be changed into another prime (545428033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272711516 + 272711517.

It is an arithmetic number, because the mean of its divisors is an integer number (272711517).

Almost surely, 2^545423033 is an apocalyptic number.

It is an amenable number.

545423033 is a deficient number, since it is larger than the sum of its proper divisors (1).

545423033 is an equidigital number, since it uses as much as digits as its factorization.

545423033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 545423033 is about 23354.2936737552. The cubic root of 545423033 is about 817.0422057561.

Adding to 545423033 its reverse (330324545), we get a palindrome (875747578).

It can be divided in two parts, 54542 and 3033, that added together give a palindrome (57575).

The spelling of 545423033 in words is "five hundred forty-five million, four hundred twenty-three thousand, thirty-three".