545264999 has 4 divisors (see below), whose sum is σ = 545413440. Its totient is φ = 545116560.

The previous prime is 545264981. The next prime is 545265011. The reversal of 545264999 is 999462545.

It is a happy number.

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 545264999 - 2⁸ = 545264743 is a prime.

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 545264999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545264939) 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, 68567 + ... + 76104.

It is an arithmetic number, because the mean of its divisors is an integer number (136353360).

Almost surely, 2^545264999 is an apocalyptic number.

545264999 is a deficient number, since it is larger than the sum of its proper divisors (148441).

545264999 is a wasteful number, since it uses less digits than its factorization.

545264999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148440.

The product of its digits is 3499200, while the sum is 53.

The square root of 545264999 is about 23350.9100250932. The cubic root of 545264999 is about 816.9632866341.

The spelling of 545264999 in words is "five hundred forty-five million, two hundred sixty-four thousand, nine hundred ninety-nine".