540443501 has 8 divisors (see below), whose sum is σ = 584284344. Its totient is φ = 496926720.

The previous prime is 540443483. The next prime is 540443531. The reversal of 540443501 is 105344045.

It can be written as a sum of positive squares in 4 ways, for example, as 129367876 + 411075625 = 11374^2 + 20275^2 .

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 540443501 - 2¹⁴ = 540427117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540443531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77540 + ... + 84221.

It is an arithmetic number, because the mean of its divisors is an integer number (73035543).

Almost surely, 2^540443501 is an apocalyptic number.

It is an amenable number.

540443501 is a deficient number, since it is larger than the sum of its proper divisors (43840843).

540443501 is a wasteful number, since it uses less digits than its factorization.

540443501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162031.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 540443501 is about 23247.4407408644. The cubic root of 540443501 is about 814.5481585906.

Adding to 540443501 its reverse (105344045), we get a palindrome (645787546).

The spelling of 540443501 in words is "five hundred forty million, four hundred forty-three thousand, five hundred one".