540354523 has 4 divisors (see below), whose sum is σ = 540617760. Its totient is φ = 540091288.

The previous prime is 540354491. The next prime is 540354533. The reversal of 540354523 is 325453045.

It is a happy number.

540354523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 540354523 - 2⁵ = 540354491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540354533) 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, 128515 + ... + 132652.

It is an arithmetic number, because the mean of its divisors is an integer number (135154440).

Almost surely, 2^540354523 is an apocalyptic number.

540354523 is a deficient number, since it is larger than the sum of its proper divisors (263237).

540354523 is a wasteful number, since it uses less digits than its factorization.

540354523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263236.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 540354523 is about 23245.5269460600. The cubic root of 540354523 is about 814.5034540446.

The spelling of 540354523 in words is "five hundred forty million, three hundred fifty-four thousand, five hundred twenty-three".