540653539 has 2 divisors, whose sum is σ = 540653540. Its totient is φ = 540653538.

The previous prime is 540653513. The next prime is 540653557. The reversal of 540653539 is 935356045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540653539 - 2¹¹ = 540651491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540653579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270326769 + 270326770.

It is an arithmetic number, because the mean of its divisors is an integer number (270326770).

Almost surely, 2^540653539 is an apocalyptic number.

540653539 is a deficient number, since it is larger than the sum of its proper divisors (1).

540653539 is an equidigital number, since it uses as much as digits as its factorization.

540653539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 540653539 is about 23251.9577455319. The cubic root of 540653539 is about 814.6536669412.

The spelling of 540653539 in words is "five hundred forty million, six hundred fifty-three thousand, five hundred thirty-nine".