621141 has 8 divisors (see below), whose sum is σ = 833184. Its totient is φ = 411600.

The previous prime is 621139. The next prime is 621143. The reversal of 621141 is 141126.

It is an interprime number because it is at equal distance from previous prime (621139) and next prime (621143).

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

It is not a de Polignac number, because 621141 - 2¹ = 621139 is a prime.

It is a super-2 number, since 2×621141² = 771632283762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 621141.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 621141.

It is not an unprimeable number, because it can be changed into a prime (621143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66 + ... + 1116.

It is an arithmetic number, because the mean of its divisors is an integer number (104148).

2⁶²¹¹⁴¹ is an apocalyptic number.

It is an amenable number.

621141 is a deficient number, since it is larger than the sum of its proper divisors (212043).

621141 is a wasteful number, since it uses less digits than its factorization.

621141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its digits is 48, while the sum is 15.

The square root of 621141 is about 788.1249900872. The cubic root of 621141 is about 85.3224659962.

Subtracting from 621141 its sum of digits (15), we obtain a palindrome (621126).

Adding to 621141 its reverse (141126), we get a palindrome (762267).

The spelling of 621141 in words is "six hundred twenty-one thousand, one hundred forty-one".