540502493 has 8 divisors (see below), whose sum is σ = 562269600. Its totient is φ = 518944048.

The previous prime is 540502477. The next prime is 540502499. The reversal of 540502493 is 394205045.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540502493 - 2⁴ = 540502477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540502499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46871 + ... + 57252.

It is an arithmetic number, because the mean of its divisors is an integer number (70283700).

Almost surely, 2^540502493 is an apocalyptic number.

It is an amenable number.

540502493 is a deficient number, since it is larger than the sum of its proper divisors (21767107).

540502493 is a wasteful number, since it uses less digits than its factorization.

540502493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104331.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 540502493 is about 23248.7094910664. The cubic root of 540502493 is about 814.5777947916.

The spelling of 540502493 in words is "five hundred forty million, five hundred two thousand, four hundred ninety-three".