540373 has 2 divisors, whose sum is σ = 540374. Its totient is φ = 540372.

The previous prime is 540367. The next prime is 540377. The reversal of 540373 is 373045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288369 + 252004 = 537^2 + 502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270186 + 270187.

It is an arithmetic number, because the mean of its divisors is an integer number (270187).

2⁵⁴⁰³⁷³ is an apocalyptic number.

It is an amenable number.

540373 is a deficient number, since it is larger than the sum of its proper divisors (1).

540373 is an equidigital number, since it uses as much as digits as its factorization.

540373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 540373 is about 735.1006733775. The cubic root of 540373 is about 81.4512737708.

It can be divided in two parts, 5403 and 73, that added together give a square (5476 = 74²).

The spelling of 540373 in words is "five hundred forty thousand, three hundred seventy-three".