545260279 has 4 divisors (see below), whose sum is σ = 547333776. Its totient is φ = 543186784.

The previous prime is 545260277. The next prime is 545260307. The reversal of 545260279 is 972062545.

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 545260279 - 2¹ = 545260277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545260277) 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, 1036354 + ... + 1036879.

It is an arithmetic number, because the mean of its divisors is an integer number (136833444).

Almost surely, 2^545260279 is an apocalyptic number.

545260279 is a deficient number, since it is larger than the sum of its proper divisors (2073497).

545260279 is a wasteful number, since it uses less digits than its factorization.

545260279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073496.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 545260279 is about 23350.8089581496. The cubic root of 545260279 is about 816.9609293230.

The spelling of 545260279 in words is "five hundred forty-five million, two hundred sixty thousand, two hundred seventy-nine".