411233561 has 4 divisors (see below), whose sum is σ = 412573392. Its totient is φ = 409893732.

The previous prime is 411233539. The next prime is 411233573. The reversal of 411233561 is 165332114.

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 a de Polignac number, because none of the positive numbers 2^k-411233561 is a prime.

It is a super-2 number, since 2×411233561² = 338226083385481442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 411233561.

It is not an unprimeable number, because it can be changed into a prime (411233521) 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, 669455 + ... + 670068.

It is an arithmetic number, because the mean of its divisors is an integer number (103143348).

Almost surely, 2^411233561 is an apocalyptic number.

It is an amenable number.

411233561 is a deficient number, since it is larger than the sum of its proper divisors (1339831).

411233561 is a wasteful number, since it uses less digits than its factorization.

411233561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339830.

The product of its digits is 2160, while the sum is 26.

The square root of 411233561 is about 20278.8944718394. The cubic root of 411233561 is about 743.6401848458.

Adding to 411233561 its reverse (165332114), we get a palindrome (576565675).

It can be divided in two parts, 4112 and 33561, that added together give a palindrome (37673).

The spelling of 411233561 in words is "four hundred eleven million, two hundred thirty-three thousand, five hundred sixty-one".