814455361 has 2 divisors, whose sum is σ = 814455362. Its totient is φ = 814455360.

The previous prime is 814455353. The next prime is 814455373. The reversal of 814455361 is 163554418.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782600625 + 31854736 = 27975^2 + 5644^2 .

It is a cyclic number.

It is not a de Polignac number, because 814455361 - 2³ = 814455353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 814455361.

It is not a weakly prime, because it can be changed into another prime (814455331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407227680 + 407227681.

It is an arithmetic number, because the mean of its divisors is an integer number (407227681).

Almost surely, 2^814455361 is an apocalyptic number.

It is an amenable number.

814455361 is a deficient number, since it is larger than the sum of its proper divisors (1).

814455361 is an equidigital number, since it uses as much as digits as its factorization.

814455361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 814455361 is about 28538.6643170279. The cubic root of 814455361 is about 933.8757440542.

The spelling of 814455361 in words is "eight hundred fourteen million, four hundred fifty-five thousand, three hundred sixty-one".