540163291 has 8 divisors (see below), whose sum is σ = 553805120. Its totient is φ = 526570632.

The previous prime is 540163289. The next prime is 540163297. The reversal of 540163291 is 192361045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540163291 - 2¹ = 540163289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540163297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10480 + ... + 34498.

It is an arithmetic number, because the mean of its divisors is an integer number (69225640).

Almost surely, 2^540163291 is an apocalyptic number.

540163291 is a deficient number, since it is larger than the sum of its proper divisors (13641829).

540163291 is a wasteful number, since it uses less digits than its factorization.

540163291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24585.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 540163291 is about 23241.4132745838. The cubic root of 540163291 is about 814.4073581817.

The spelling of 540163291 in words is "five hundred forty million, one hundred sixty-three thousand, two hundred ninety-one".