540499747 has 4 divisors (see below), whose sum is σ = 563999760. Its totient is φ = 516999736.

The previous prime is 540499733. The next prime is 540499789. The reversal of 540499747 is 747994045.

540499747 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540499747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540499747.

It is not an unprimeable number, because it can be changed into a prime (540499727) 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, 11749972 + ... + 11750017.

It is an arithmetic number, because the mean of its divisors is an integer number (140999940).

Almost surely, 2^540499747 is an apocalyptic number.

540499747 is a deficient number, since it is larger than the sum of its proper divisors (23500013).

540499747 is a wasteful number, since it uses less digits than its factorization.

540499747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23500012.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 540499747 is about 23248.6504339499. The cubic root of 540499747 is about 814.5764153133.

The spelling of 540499747 in words is "five hundred forty million, four hundred ninety-nine thousand, seven hundred forty-seven".