616201 has 4 divisors (see below), whose sum is σ = 622404. Its totient is φ = 610000.

The previous prime is 616181. The next prime is 616207. The reversal of 616201 is 102616.

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 511225 + 104976 = 715^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 616201 - 2⁵ = 616169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616207) 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, 2950 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (155601).

2⁶¹⁶²⁰¹ is an apocalyptic number.

It is an amenable number.

616201 is a deficient number, since it is larger than the sum of its proper divisors (6203).

616201 is a wasteful number, since it uses less digits than its factorization.

616201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 616201 is about 784.9847132270. The cubic root of 616201 is about 85.0956708251.

Adding to 616201 its reverse (102616), we get a palindrome (718817).

The spelling of 616201 in words is "six hundred sixteen thousand, two hundred one".