540969827 has 4 divisors (see below), whose sum is σ = 542081136. Its totient is φ = 539858520.

The previous prime is 540969817. The next prime is 540969841. The reversal of 540969827 is 728969045.

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 540969827 - 2²⁴ = 524192611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540969817) 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, 554924 + ... + 555897.

It is an arithmetic number, because the mean of its divisors is an integer number (135520284).

Almost surely, 2^540969827 is an apocalyptic number.

540969827 is a deficient number, since it is larger than the sum of its proper divisors (1111309).

540969827 is a wasteful number, since it uses less digits than its factorization.

540969827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111308.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 540969827 is about 23258.7580708859. The cubic root of 540969827 is about 814.8124962907.

The spelling of 540969827 in words is "five hundred forty million, nine hundred sixty-nine thousand, eight hundred twenty-seven".