4111621 has 2 divisors, whose sum is σ = 4111622. Its totient is φ = 4111620.

The previous prime is 4111577. The next prime is 4111633. The reversal of 4111621 is 1261114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 171396 = 1985^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4111621 - 2¹⁷ = 3980549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4111595 and 4111604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055810 + 2055811.

It is an arithmetic number, because the mean of its divisors is an integer number (2055811).

Almost surely, 2^4111621 is an apocalyptic number.

It is an amenable number.

4111621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4111621 is an equidigital number, since it uses as much as digits as its factorization.

4111621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 16.

The square root of 4111621 is about 2027.7132440264. The cubic root of 4111621 is about 160.2031404157.

Adding to 4111621 its reverse (1261114), we get a palindrome (5372735).

The spelling of 4111621 in words is "four million, one hundred eleven thousand, six hundred twenty-one".