411241021 has 4 divisors (see below), whose sum is σ = 411288352. Its totient is φ = 411193692.

The previous prime is 411241003. The next prime is 411241027. The reversal of 411241021 is 120142114.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 411241021 - 2⁹ = 411240509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 411240986 and 411241004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411241027) 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, 6465 + ... + 29398.

It is an arithmetic number, because the mean of its divisors is an integer number (102822088).

Almost surely, 2^411241021 is an apocalyptic number.

It is an amenable number.

411241021 is a deficient number, since it is larger than the sum of its proper divisors (47331).

411241021 is a wasteful number, since it uses less digits than its factorization.

411241021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47330.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 411241021 is about 20279.0784060815. The cubic root of 411241021 is about 743.6446814974.

Adding to 411241021 its reverse (120142114), we get a palindrome (531383135).

The spelling of 411241021 in words is "four hundred eleven million, two hundred forty-one thousand, twenty-one".