540332101 has 4 divisors (see below), whose sum is σ = 540450400. Its totient is φ = 540213804.

The previous prime is 540332087. The next prime is 540332159. The reversal of 540332101 is 101233045.

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 540332101 - 2¹⁷ = 540201029 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 (540332171) 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, 52011 + ... + 61528.

It is an arithmetic number, because the mean of its divisors is an integer number (135112600).

Almost surely, 2^540332101 is an apocalyptic number.

540332101 is the 10396-th centered decagonal number.

It is an amenable number.

540332101 is a deficient number, since it is larger than the sum of its proper divisors (118299).

540332101 is a wasteful number, since it uses less digits than its factorization.

540332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118298.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 540332101 is about 23245.0446547216. The cubic root of 540332101 is about 814.4921879540.

Adding to 540332101 its reverse (101233045), we get a palindrome (641565146).

The spelling of 540332101 in words is "five hundred forty million, three hundred thirty-two thousand, one hundred one".