545031 has 12 divisors (see below), whose sum is σ = 821808. Its totient is φ = 347424.

The previous prime is 545029. The next prime is 545033. The reversal of 545031 is 130545.

It is an interprime number because it is at equal distance from previous prime (545029) and next prime (545033).

It is not a de Polignac number, because 545031 - 2¹ = 545029 is a prime.

It is a super-2 number, since 2×545031² = 594117581922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 544995 and 545013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545031.

It is not an unprimeable number, because it can be changed into a prime (545033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (68484).

2⁵⁴⁵⁰³¹ is an apocalyptic number.

545031 is a deficient number, since it is larger than the sum of its proper divisors (276777).

545031 is a wasteful number, since it uses less digits than its factorization.

545031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 545031 is about 738.2621485624. The cubic root of 545031 is about 81.6846404051.

Adding to 545031 its reverse (130545), we get a palindrome (675576).

The spelling of 545031 in words is "five hundred forty-five thousand, thirty-one".