540097599 has 32 divisors (see below), whose sum is σ = 781664256. Its totient is φ = 330462720.

The previous prime is 540097583. The next prime is 540097603. The reversal of 540097599 is 995790045.

It is a Cunningham number, because it is equal to 23240²-1.

It is not a de Polignac number, because 540097599 - 2⁴ = 540097583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540097529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394414 + ... + 395780.

It is an arithmetic number, because the mean of its divisors is an integer number (24427008).

Almost surely, 2^540097599 is an apocalyptic number.

540097599 is a deficient number, since it is larger than the sum of its proper divisors (241566657).

540097599 is a wasteful number, since it uses less digits than its factorization.

540097599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 540097599 is about 23239.9999784854. Note that the first 4 decimals coincide. The cubic root of 540097599 is about 814.3743421055.

The spelling of 540097599 in words is "five hundred forty million, ninety-seven thousand, five hundred ninety-nine".