540870273 has 12 divisors (see below), whose sum is σ = 782210260. Its totient is φ = 360140256.

The previous prime is 540870263. The next prime is 540870293. The reversal of 540870273 is 372078045.

It can be written as a sum of positive squares in 2 ways, for example, as 345513744 + 195356529 = 18588^2 + 13977^2 .

It is not a de Polignac number, because 540870273 - 2⁴ = 540870257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540870203) 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, 28786 + ... + 43707.

Almost surely, 2^540870273 is an apocalyptic number.

It is an amenable number.

540870273 is a deficient number, since it is larger than the sum of its proper divisors (241339987).

540870273 is a wasteful number, since it uses less digits than its factorization.

540870273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73328 (or 73325 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 540870273 is about 23256.6178323504. The cubic root of 540870273 is about 814.7625102498.

The spelling of 540870273 in words is "five hundred forty million, eight hundred seventy thousand, two hundred seventy-three".