540231506 has 8 divisors (see below), whose sum is σ = 810450684. Its totient is φ = 270081280.

The previous prime is 540231499. The next prime is 540231533. The reversal of 540231506 is 605132045.

It can be written as a sum of positive squares in 2 ways, for example, as 491021281 + 49210225 = 22159^2 + 7015^2 .

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

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, 12866 + ... + 35298.

Almost surely, 2^540231506 is an apocalyptic number.

540231506 is a deficient number, since it is larger than the sum of its proper divisors (270219178).

540231506 is a wasteful number, since it uses less digits than its factorization.

540231506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34476.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 540231506 is about 23242.8807594928. The cubic root of 540231506 is about 814.4416394570.

The spelling of 540231506 in words is "five hundred forty million, two hundred thirty-one thousand, five hundred six".