540102001 has 4 divisors (see below), whose sum is σ = 541268992. Its totient is φ = 538935012.

The previous prime is 540101977. The next prime is 540102007. The reversal of 540102001 is 100201045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540102001 - 2⁷ = 540101873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540102007) 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, 582801 + ... + 583726.

It is an arithmetic number, because the mean of its divisors is an integer number (135317248).

Almost surely, 2^540102001 is an apocalyptic number.

It is an amenable number.

540102001 is a deficient number, since it is larger than the sum of its proper divisors (1166991).

540102001 is a wasteful number, since it uses less digits than its factorization.

540102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166990.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 540102001 is about 23240.0946856935. The cubic root of 540102001 is about 814.3765545859.

Adding to 540102001 its reverse (100201045), we get a palindrome (640303046).

The spelling of 540102001 in words is "five hundred forty million, one hundred two thousand, one".