545258111 has 4 divisors (see below), whose sum is σ = 545306424. Its totient is φ = 545209800.

The previous prime is 545258089. The next prime is 545258141. The reversal of 545258111 is 111852545.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 545258111 - 2⁶ = 545258047 is a prime.

It is a super-2 number, since 2×545258111² = 594612815222576642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545258141) 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, 2801 + ... + 33141.

It is an arithmetic number, because the mean of its divisors is an integer number (136326606).

Almost surely, 2^545258111 is an apocalyptic number.

545258111 is a deficient number, since it is larger than the sum of its proper divisors (48313).

545258111 is a wasteful number, since it uses less digits than its factorization.

545258111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48312.

The product of its digits is 8000, while the sum is 32.

The square root of 545258111 is about 23350.7625357289. The cubic root of 545258111 is about 816.9598465534.

The spelling of 545258111 in words is "five hundred forty-five million, two hundred fifty-eight thousand, one hundred eleven".