540503737 has 8 divisors (see below), whose sum is σ = 551139080. Its totient is φ = 529925760.

The previous prime is 540503731. The next prime is 540503767. The reversal of 540503737 is 737305045.

It can be written as a sum of positive squares in 4 ways, for example, as 46730896 + 493772841 = 6836^2 + 22221^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540503737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540503731) 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, 4939 + ... + 33247.

It is an arithmetic number, because the mean of its divisors is an integer number (68892385).

Almost surely, 2^540503737 is an apocalyptic number.

It is an amenable number.

540503737 is a deficient number, since it is larger than the sum of its proper divisors (10635343).

540503737 is a wasteful number, since it uses less digits than its factorization.

540503737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28683.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 540503737 is about 23248.7362452242. The cubic root of 540503737 is about 814.5784197249.

The spelling of 540503737 in words is "five hundred forty million, five hundred three thousand, seven hundred thirty-seven".