411521273 has 2 divisors, whose sum is σ = 411521274. Its totient is φ = 411521272.

The previous prime is 411521219. The next prime is 411521287. The reversal of 411521273 is 372125114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233111824 + 178409449 = 15268^2 + 13357^2 .

It is a cyclic number.

It is not a de Polignac number, because 411521273 - 2¹⁸ = 411259129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (411521213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205760636 + 205760637.

It is an arithmetic number, because the mean of its divisors is an integer number (205760637).

Almost surely, 2^411521273 is an apocalyptic number.

It is an amenable number.

411521273 is a deficient number, since it is larger than the sum of its proper divisors (1).

411521273 is an equidigital number, since it uses as much as digits as its factorization.

411521273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 411521273 is about 20285.9871093324. The cubic root of 411521273 is about 743.8135691446.

Adding to 411521273 its reverse (372125114), we get a palindrome (783646387).

The spelling of 411521273 in words is "four hundred eleven million, five hundred twenty-one thousand, two hundred seventy-three".