540542001 has 16 divisors (see below), whose sum is σ = 766175040. Its totient is φ = 338011200.

The previous prime is 540541993. The next prime is 540542003. The reversal of 540542001 is 100245045.

It is not a de Polignac number, because 540542001 - 2³ = 540541993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540542003) 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, 41190 + ... + 52703.

It is an arithmetic number, because the mean of its divisors is an integer number (47885940).

Almost surely, 2^540542001 is an apocalyptic number.

It is an amenable number.

540542001 is a deficient number, since it is larger than the sum of its proper divisors (225633039).

540542001 is a wasteful number, since it uses less digits than its factorization.

540542001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94016.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 540542001 is about 23249.5591571109. The cubic root of 540542001 is about 814.5976414811.

Adding to 540542001 its reverse (100245045), we get a palindrome (640787046).

The spelling of 540542001 in words is "five hundred forty million, five hundred forty-two thousand, one".