540110521 has 2 divisors, whose sum is σ = 540110522. Its totient is φ = 540110520.

The previous prime is 540110503. The next prime is 540110537. The reversal of 540110521 is 125011045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287777296 + 252333225 = 16964^2 + 15885^2 .

It is a cyclic number.

It is not a de Polignac number, because 540110521 - 2⁷ = 540110393 is a prime.

It is not a weakly prime, because it can be changed into another prime (540110821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270055260 + 270055261.

It is an arithmetic number, because the mean of its divisors is an integer number (270055261).

Almost surely, 2^540110521 is an apocalyptic number.

It is an amenable number.

540110521 is a deficient number, since it is larger than the sum of its proper divisors (1).

540110521 is an equidigital number, since it uses as much as digits as its factorization.

540110521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 540110521 is about 23240.2779888710. The cubic root of 540110521 is about 814.3808367720.

Adding to 540110521 its reverse (125011045), we get a palindrome (665121566).

The spelling of 540110521 in words is "five hundred forty million, one hundred ten thousand, five hundred twenty-one".