540555373 has 2 divisors, whose sum is σ = 540555374. Its totient is φ = 540555372.

The previous prime is 540555349. The next prime is 540555383. The reversal of 540555373 is 373555045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505485289 + 35070084 = 22483^2 + 5922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540555373 is a prime.

It is a super-2 number, since 2×540555373² = 584400222558338258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540555383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270277686 + 270277687.

It is an arithmetic number, because the mean of its divisors is an integer number (270277687).

Almost surely, 2^540555373 is an apocalyptic number.

It is an amenable number.

540555373 is a deficient number, since it is larger than the sum of its proper divisors (1).

540555373 is an equidigital number, since it uses as much as digits as its factorization.

540555373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 37.

The square root of 540555373 is about 23249.8467306776. The cubic root of 540555373 is about 814.6043586340.

The spelling of 540555373 in words is "five hundred forty million, five hundred fifty-five thousand, three hundred seventy-three".