540531089 has 4 divisors (see below), whose sum is σ = 617749824. Its totient is φ = 463312356.

The previous prime is 540531083. The next prime is 540531091. The reversal of 540531089 is 980135045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540531089 - 2⁸ = 540530833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540531083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38609357 + ... + 38609370.

It is an arithmetic number, because the mean of its divisors is an integer number (154437456).

Almost surely, 2^540531089 is an apocalyptic number.

It is an amenable number.

540531089 is a deficient number, since it is larger than the sum of its proper divisors (77218735).

540531089 is an equidigital number, since it uses as much as digits as its factorization.

540531089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77218734.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 540531089 is about 23249.3244848103. The cubic root of 540531089 is about 814.5921599772.

The spelling of 540531089 in words is "five hundred forty million, five hundred thirty-one thousand, eighty-nine".