411441997 has 2 divisors, whose sum is σ = 411441998. Its totient is φ = 411441996.

The previous prime is 411441971. The next prime is 411442019. The reversal of 411441997 is 799144114.

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., 383415561 + 28026436 = 19581^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 411441997 - 2¹⁹ = 410917709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411441697) 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, 205720998 + 205720999.

It is an arithmetic number, because the mean of its divisors is an integer number (205720999).

Almost surely, 2^411441997 is an apocalyptic number.

It is an amenable number.

411441997 is a deficient number, since it is larger than the sum of its proper divisors (1).

411441997 is an equidigital number, since it uses as much as digits as its factorization.

411441997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 411441997 is about 20284.0330555834. The cubic root of 411441997 is about 743.7658030020.

The spelling of 411441997 in words is "four hundred eleven million, four hundred forty-one thousand, nine hundred ninety-seven".