545031530 has 32 divisors (see below), whose sum is σ = 1034078400. Its totient is φ = 206260992.

The previous prime is 545031521. The next prime is 545031559. The reversal of 545031530 is 35130545.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545031530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190289 + ... + 193131.

It is an arithmetic number, because the mean of its divisors is an integer number (32314950).

Almost surely, 2^545031530 is an apocalyptic number.

545031530 is a deficient number, since it is larger than the sum of its proper divisors (489046870).

545031530 is a wasteful number, since it uses less digits than its factorization.

545031530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 545031530 is about 23345.9103484957. The cubic root of 545031530 is about 816.8466688238.

The spelling of 545031530 in words is "five hundred forty-five million, thirty-one thousand, five hundred thirty".