545033313 has 16 divisors (see below), whose sum is σ = 880862400. Its totient is φ = 330323040.

The previous prime is 545033287. The next prime is 545033329. The reversal of 545033313 is 313330545.

It is a happy number.

It is not a de Polignac number, because 545033313 - 2¹⁴ = 545016929 is a prime.

It is a super-2 number, since 2×545033313² = 594122624559511938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (545033383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917268 + ... + 917861.

It is an arithmetic number, because the mean of its divisors is an integer number (55053900).

Almost surely, 2^545033313 is an apocalyptic number.

It is an amenable number.

545033313 is a deficient number, since it is larger than the sum of its proper divisors (335829087).

545033313 is a wasteful number, since it uses less digits than its factorization.

545033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835149 (or 1835143 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 545033313 is about 23345.9485350242. The cubic root of 545033313 is about 816.8475595588.

Adding to 545033313 its reverse (313330545), we get a palindrome (858363858).

The spelling of 545033313 in words is "five hundred forty-five million, thirty-three thousand, three hundred thirteen".