540239001 has 16 divisors (see below), whose sum is σ = 745210368. Its totient is φ = 347888000.

The previous prime is 540238957. The next prime is 540239003. The reversal of 540239001 is 100932045.

It is a cyclic number.

It is not a de Polignac number, because 540239001 - 2⁷ = 540238873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540239003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9321 + ... + 34166.

It is an arithmetic number, because the mean of its divisors is an integer number (46575648).

Almost surely, 2^540239001 is an apocalyptic number.

It is an amenable number.

540239001 is a deficient number, since it is larger than the sum of its proper divisors (204971367).

540239001 is a wasteful number, since it uses less digits than its factorization.

540239001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43632.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 540239001 is about 23243.0419910992. The cubic root of 540239001 is about 814.4454058743.

The spelling of 540239001 in words is "five hundred forty million, two hundred thirty-nine thousand, one".