540549297 has 12 divisors (see below), whose sum is σ = 821888080. Its totient is φ = 341399448.

The previous prime is 540549283. The next prime is 540549301. The reversal of 540549297 is 792945045.

It is not a de Polignac number, because 540549297 - 2¹⁰ = 540548273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540549227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1580383 + ... + 1580724.

Almost surely, 2^540549297 is an apocalyptic number.

540549297 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

540549297 is a deficient number, since it is larger than the sum of its proper divisors (281338783).

540549297 is a wasteful number, since it uses less digits than its factorization.

540549297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161132 (or 3161129 counting only the distinct ones).

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

The square root of 540549297 is about 23249.7160627824. The cubic root of 540549297 is about 814.6013064924.

The spelling of 540549297 in words is "five hundred forty million, five hundred forty-nine thousand, two hundred ninety-seven".