540214201 has 4 divisors (see below), whose sum is σ = 540672804. Its totient is φ = 539755600.

The previous prime is 540214189. The next prime is 540214211. The reversal of 540214201 is 102412045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373416976 + 166797225 = 19324^2 + 12915^2 .

It is a cyclic number.

It is not a de Polignac number, because 540214201 - 2¹⁷ = 540083129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540214211) 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, 227530 + ... + 229891.

It is an arithmetic number, because the mean of its divisors is an integer number (135168201).

Almost surely, 2^540214201 is an apocalyptic number.

It is an amenable number.

540214201 is a deficient number, since it is larger than the sum of its proper divisors (458603).

540214201 is a wasteful number, since it uses less digits than its factorization.

540214201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458602.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 540214201 is about 23242.5084919851. The cubic root of 540214201 is about 814.4329431463.

Adding to 540214201 its reverse (102412045), we get a palindrome (642626246).

The spelling of 540214201 in words is "five hundred forty million, two hundred fourteen thousand, two hundred one".