411031421 has 2 divisors, whose sum is σ = 411031422. Its totient is φ = 411031420.

The previous prime is 411031363. The next prime is 411031429. The reversal of 411031421 is 124130114.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390655225 + 20376196 = 19765^2 + 4514^2 .

It is a cyclic number.

It is not a de Polignac number, because 411031421 - 2²² = 406837117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 411031421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411031429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205515710 + 205515711.

It is an arithmetic number, because the mean of its divisors is an integer number (205515711).

Almost surely, 2^411031421 is an apocalyptic number.

It is an amenable number.

411031421 is a deficient number, since it is larger than the sum of its proper divisors (1).

411031421 is an equidigital number, since it uses as much as digits as its factorization.

411031421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 411031421 is about 20273.9098597187. The cubic root of 411031421 is about 743.5183205513.

Adding to 411031421 its reverse (124130114), we get a palindrome (535161535).

It can be divided in two parts, 41103 and 1421, that added together give a palindrome (42524).

The spelling of 411031421 in words is "four hundred eleven million, thirty-one thousand, four hundred twenty-one".