412771321 has 2 divisors, whose sum is σ = 412771322. Its totient is φ = 412771320.

The previous prime is 412771291. The next prime is 412771349. The reversal of 412771321 is 123177214.

It is an a-pointer prime, because the next prime (412771349) can be obtained adding 412771321 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397444096 + 15327225 = 19936^2 + 3915^2 .

It is a cyclic number.

It is not a de Polignac number, because 412771321 - 2²¹ = 410674169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 412771321.

It is not a weakly prime, because it can be changed into another prime (412771361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206385660 + 206385661.

It is an arithmetic number, because the mean of its divisors is an integer number (206385661).

Almost surely, 2^412771321 is an apocalyptic number.

It is an amenable number.

412771321 is a deficient number, since it is larger than the sum of its proper divisors (1).

412771321 is an equidigital number, since it uses as much as digits as its factorization.

412771321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 412771321 is about 20316.7743748854. The cubic root of 412771321 is about 744.5659504888.

The spelling of 412771321 in words is "four hundred twelve million, seven hundred seventy-one thousand, three hundred twenty-one".