542201 has 6 divisors (see below), whose sum is σ = 596106. Its totient is φ = 492800.

The previous prime is 542197. The next prime is 542207. The reversal of 542201 is 102245.

542201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 511225 + 30976 = 715^2 + 176^2 .

It is not a de Polignac number, because 542201 - 2² = 542197 is a prime.

It is a super-5 number, since 5×542201⁵ (a number of 30 digits) contains 55555 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2120 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (99351).

2⁵⁴²²⁰¹ is an apocalyptic number.

It is an amenable number.

542201 is a deficient number, since it is larger than the sum of its proper divisors (53905).

542201 is a wasteful number, since it uses less digits than its factorization.

542201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503 (or 4492 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 542201 is about 736.3429907319. The cubic root of 542201 is about 81.5430161717.

Adding to 542201 its reverse (102245), we get a palindrome (644446).

The spelling of 542201 in words is "five hundred forty-two thousand, two hundred one".