411197285 has 4 divisors (see below), whose sum is σ = 493436748. Its totient is φ = 328957824.

The previous prime is 411197273. The next prime is 411197357. The reversal of 411197285 is 582791114.

It is a Cunningham number, because it is equal to 20278²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148011556 + 263185729 = 12166^2 + 16223^2 .

It is a cyclic number.

It is not a de Polignac number, because 411197285 - 2¹⁸ = 410935141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41119724 + ... + 41119733.

It is an arithmetic number, because the mean of its divisors is an integer number (123359187).

Almost surely, 2^411197285 is an apocalyptic number.

It is an amenable number.

411197285 is a deficient number, since it is larger than the sum of its proper divisors (82239463).

411197285 is an equidigital number, since it uses as much as digits as its factorization.

411197285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82239462.

The product of its digits is 20160, while the sum is 38.

The square root of 411197285 is about 20278.0000246573. Note that the first 4 decimals coincide. The cubic root of 411197285 is about 743.6183180470.

The spelling of 411197285 in words is "four hundred eleven million, one hundred ninety-seven thousand, two hundred eighty-five".