545133031 has 4 divisors (see below), whose sum is σ = 547144864. Its totient is φ = 543121200.

The previous prime is 545133019. The next prime is 545133041. The reversal of 545133031 is 130331545.

545133031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545133031 - 2⁹ = 545132519 is a prime.

It is a super-2 number, since 2×545133031² = 594340042974493922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545132987 and 545133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545133041) 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, 1005510 + ... + 1006051.

It is an arithmetic number, because the mean of its divisors is an integer number (136786216).

Almost surely, 2^545133031 is an apocalyptic number.

545133031 is a deficient number, since it is larger than the sum of its proper divisors (2011833).

545133031 is a wasteful number, since it uses less digits than its factorization.

545133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011832.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 545133031 is about 23348.0840969875. The cubic root of 545133031 is about 816.8973726839.

Adding to 545133031 its reverse (130331545), we get a palindrome (675464576).

The spelling of 545133031 in words is "five hundred forty-five million, one hundred thirty-three thousand, thirty-one".