621201 has 8 divisors (see below), whose sum is σ = 946624. Its totient is φ = 354960.

The previous prime is 621143. The next prime is 621217. The reversal of 621201 is 102126.

621201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 621201 - 2⁹ = 620689 is a prime.

It is a super-3 number, since 3×621201³ = 719147033394550803, which contains 333 as substring.

It is a Curzon number.

It is a plaindrome in base 13 and base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 621201.

It is not an unprimeable number, because it can be changed into a prime (621241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14770 + ... + 14811.

It is an arithmetic number, because the mean of its divisors is an integer number (118328).

2⁶²¹²⁰¹ is an apocalyptic number.

It is an amenable number.

621201 is a deficient number, since it is larger than the sum of its proper divisors (325423).

621201 is a wasteful number, since it uses less digits than its factorization.

621201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29591.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 621201 is about 788.1630541963. The cubic root of 621201 is about 85.3252131895.

Adding to 621201 its reverse (102126), we get a palindrome (723327).

The spelling of 621201 in words is "six hundred twenty-one thousand, two hundred one".