540723247 has 2 divisors, whose sum is σ = 540723248. Its totient is φ = 540723246.

The previous prime is 540723137. The next prime is 540723257. The reversal of 540723247 is 742327045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540723247 - 2¹¹ = 540721199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540723257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270361623 + 270361624.

It is an arithmetic number, because the mean of its divisors is an integer number (270361624).

Almost surely, 2^540723247 is an apocalyptic number.

540723247 is a deficient number, since it is larger than the sum of its proper divisors (1).

540723247 is an equidigital number, since it uses as much as digits as its factorization.

540723247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 540723247 is about 23253.4566677731. The cubic root of 540723247 is about 814.6886773088.

The spelling of 540723247 in words is "five hundred forty million, seven hundred twenty-three thousand, two hundred forty-seven".