540444017 has 2 divisors, whose sum is σ = 540444018. Its totient is φ = 540444016.

The previous prime is 540444013. The next prime is 540444061. The reversal of 540444017 is 710444045.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489692641 + 50751376 = 22129^2 + 7124^2 .

It is a cyclic number.

It is not a de Polignac number, because 540444017 - 2² = 540444013 is a prime.

It is a super-2 number, since 2×540444017² = 584159471022192578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540444013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270222008 + 270222009.

It is an arithmetic number, because the mean of its divisors is an integer number (270222009).

Almost surely, 2^540444017 is an apocalyptic number.

It is an amenable number.

540444017 is a deficient number, since it is larger than the sum of its proper divisors (1).

540444017 is an equidigital number, since it uses as much as digits as its factorization.

540444017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 540444017 is about 23247.4518388575. The cubic root of 540444017 is about 814.5484178262.

The spelling of 540444017 in words is "five hundred forty million, four hundred forty-four thousand, seventeen".