540549279 has 12 divisors (see below), whose sum is σ = 795526056. Its totient is φ = 353566512.

The previous prime is 540549277. The next prime is 540549283. The reversal of 540549279 is 972945045.

It is not a de Polignac number, because 540549279 - 2¹ = 540549277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540549271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566137 + ... + 567090.

It is an arithmetic number, because the mean of its divisors is an integer number (66293838).

Almost surely, 2^540549279 is an apocalyptic number.

540549279 is a deficient number, since it is larger than the sum of its proper divisors (254976777).

540549279 is a wasteful number, since it uses less digits than its factorization.

540549279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133286 (or 1133283 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 540549279 is about 23249.7156756809. The cubic root of 540549279 is about 814.6012974505.

The spelling of 540549279 in words is "five hundred forty million, five hundred forty-nine thousand, two hundred seventy-nine".