540735505 has 4 divisors (see below), whose sum is σ = 648882612. Its totient is φ = 432588400.

The previous prime is 540735499. The next prime is 540735523. The reversal of 540735505 is 505537045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121264144 + 419471361 = 11012^2 + 20481^2 .

It is not a de Polignac number, because 540735505 - 2²³ = 532346897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54073546 + ... + 54073555.

It is an arithmetic number, because the mean of its divisors is an integer number (162220653).

Almost surely, 2^540735505 is an apocalyptic number.

It is an amenable number.

540735505 is a deficient number, since it is larger than the sum of its proper divisors (108147107).

540735505 is a wasteful number, since it uses less digits than its factorization.

540735505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108147106.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 540735505 is about 23253.7202399960. The cubic root of 540735505 is about 814.6948334946.

The spelling of 540735505 in words is "five hundred forty million, seven hundred thirty-five thousand, five hundred five".