540499573 has 2 divisors, whose sum is σ = 540499574. Its totient is φ = 540499572.

The previous prime is 540499567. The next prime is 540499627. The reversal of 540499573 is 375994045.

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., 310006449 + 230493124 = 17607^2 + 15182^2 .

It is a cyclic number.

It is not a de Polignac number, because 540499573 - 2⁵ = 540499541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540499523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270249786 + 270249787.

It is an arithmetic number, because the mean of its divisors is an integer number (270249787).

Almost surely, 2^540499573 is an apocalyptic number.

It is an amenable number.

540499573 is a deficient number, since it is larger than the sum of its proper divisors (1).

540499573 is an equidigital number, since it uses as much as digits as its factorization.

540499573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 540499573 is about 23248.6466917969. The cubic root of 540499573 is about 814.5763279026.

The spelling of 540499573 in words is "five hundred forty million, four hundred ninety-nine thousand, five hundred seventy-three".