411263921 has 4 divisors (see below), whose sum is σ = 416218992. Its totient is φ = 406308852.

The previous prime is 411263899. The next prime is 411263929. The reversal of 411263921 is 129362114.

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.

It is a cyclic number.

It is not a de Polignac number, because 411263921 - 2²⁶ = 344155057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411263929) 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 in 3 ways as a sum of consecutive naturals, for example, 2477411 + ... + 2477576.

It is an arithmetic number, because the mean of its divisors is an integer number (104054748).

Almost surely, 2^411263921 is an apocalyptic number.

It is an amenable number.

411263921 is a deficient number, since it is larger than the sum of its proper divisors (4955071).

411263921 is an equidigital number, since it uses as much as digits as its factorization.

411263921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955070.

The product of its digits is 2592, while the sum is 29.

The square root of 411263921 is about 20279.6430195406. The cubic root of 411263921 is about 743.6584845523.

The spelling of 411263921 in words is "four hundred eleven million, two hundred sixty-three thousand, nine hundred twenty-one".