545606031 has 4 divisors (see below), whose sum is σ = 727474712. Its totient is φ = 363737352.

The previous prime is 545606027. The next prime is 545606053. The reversal of 545606031 is 130606545.

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

It is not a de Polignac number, because 545606031 - 2² = 545606027 is a prime.

It is a super-2 number, since 2×545606031² = 595371882127145922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545606031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545606731) 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, 90934336 + ... + 90934341.

It is an arithmetic number, because the mean of its divisors is an integer number (181868678).

Almost surely, 2^545606031 is an apocalyptic number.

545606031 is a deficient number, since it is larger than the sum of its proper divisors (181868681).

545606031 is a wasteful number, since it uses less digits than its factorization.

545606031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181868680.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 545606031 is about 23358.2112114776. The cubic root of 545606031 is about 817.1335723724.

Adding to 545606031 its sum of digits (30), we get a triangular number (545606061 = T₃₃₀₃₃).

The spelling of 545606031 in words is "five hundred forty-five million, six hundred six thousand, thirty-one".