540948187 has 4 divisors (see below), whose sum is σ = 582559600. Its totient is φ = 499336776.

The previous prime is 540948169. The next prime is 540948193. The reversal of 540948187 is 781849045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781849045 = 5 ⋅156369809.

It is a cyclic number.

It is not a de Polignac number, because 540948187 - 2²³ = 532559579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540948887) 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, 20805687 + ... + 20805712.

It is an arithmetic number, because the mean of its divisors is an integer number (145639900).

Almost surely, 2^540948187 is an apocalyptic number.

540948187 is a deficient number, since it is larger than the sum of its proper divisors (41611413).

540948187 is a wasteful number, since it uses less digits than its factorization.

540948187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41611412.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 540948187 is about 23258.2928651266. The cubic root of 540948187 is about 814.8016313733.

The spelling of 540948187 in words is "five hundred forty million, nine hundred forty-eight thousand, one hundred eighty-seven".