540046609 has 2 divisors, whose sum is σ = 540046610. Its totient is φ = 540046608.

The previous prime is 540046597. The next prime is 540046621. The reversal of 540046609 is 906640045.

It is a balanced prime because it is at equal distance from previous prime (540046597) and next prime (540046621).

It can be written as a sum of positive squares in only one way, i.e., 478078225 + 61968384 = 21865^2 + 7872^2 .

It is a cyclic number.

It is not a de Polignac number, because 540046609 - 2²¹ = 537949457 is a prime.

It is a super-3 number, since 3×540046609³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (540046699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270023304 + 270023305.

It is an arithmetic number, because the mean of its divisors is an integer number (270023305).

Almost surely, 2^540046609 is an apocalyptic number.

It is an amenable number.

540046609 is a deficient number, since it is larger than the sum of its proper divisors (1).

540046609 is an equidigital number, since it uses as much as digits as its factorization.

540046609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 540046609 is about 23238.9029216097. The cubic root of 540046609 is about 814.3487132472.

The spelling of 540046609 in words is "five hundred forty million, forty-six thousand, six hundred nine".