545401033 has 4 divisors (see below), whose sum is σ = 546300160. Its totient is φ = 544501908.

The previous prime is 545401009. The next prime is 545401039. The reversal of 545401033 is 330104545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330104545 = 5 ⋅66020909.

It is a cyclic number.

It is not a de Polignac number, because 545401033 - 2⁹ = 545400521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545400989 and 545401007.

It is not an unprimeable number, because it can be changed into a prime (545401039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448653 + ... + 449866.

It is an arithmetic number, because the mean of its divisors is an integer number (136575040).

Almost surely, 2^545401033 is an apocalyptic number.

It is an amenable number.

545401033 is a deficient number, since it is larger than the sum of its proper divisors (899127).

545401033 is an equidigital number, since it uses as much as digits as its factorization.

545401033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899126.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 545401033 is about 23353.8226635384. The cubic root of 545401033 is about 817.0312202952.

Adding to 545401033 its reverse (330104545), we get a palindrome (875505578).

The spelling of 545401033 in words is "five hundred forty-five million, four hundred one thousand, thirty-three".