540515941 has 4 divisors (see below), whose sum is σ = 617732512. Its totient is φ = 463299372.

The previous prime is 540515929. The next prime is 540515981. The reversal of 540515941 is 149515045.

It is a happy number.

540515941 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 149515045 = 5 ⋅29903009.

It is a cyclic number.

It is not a de Polignac number, because 540515941 - 2¹⁵ = 540483173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540515897 and 540515906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540515981) 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, 38608275 + ... + 38608288.

It is an arithmetic number, because the mean of its divisors is an integer number (154433128).

Almost surely, 2^540515941 is an apocalyptic number.

It is an amenable number.

540515941 is a deficient number, since it is larger than the sum of its proper divisors (77216571).

540515941 is an equidigital number, since it uses as much as digits as its factorization.

540515941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77216570.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 540515941 is about 23248.9987096219. The cubic root of 540515941 is about 814.5845504504.

The spelling of 540515941 in words is "five hundred forty million, five hundred fifteen thousand, nine hundred forty-one".