540793931 has 4 divisors (see below), whose sum is σ = 545579832. Its totient is φ = 536008032.

The previous prime is 540793901. The next prime is 540793933. The reversal of 540793931 is 139397045.

540793931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139397045 = 5 ⋅27879409.

It is a cyclic number.

It is not a de Polignac number, because 540793931 - 2¹⁸ = 540531787 is a prime.

It is a super-2 number, since 2×540793931² = 584916151612865522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540793933) 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, 2392781 + ... + 2393006.

It is an arithmetic number, because the mean of its divisors is an integer number (136394958).

Almost surely, 2^540793931 is an apocalyptic number.

540793931 is a deficient number, since it is larger than the sum of its proper divisors (4785901).

540793931 is a wasteful number, since it uses less digits than its factorization.

540793931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785900.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 540793931 is about 23254.9764781648. The cubic root of 540793931 is about 814.7241747934.

The spelling of 540793931 in words is "five hundred forty million, seven hundred ninety-three thousand, nine hundred thirty-one".