816353 has 2 divisors, whose sum is σ = 816354. Its totient is φ = 816352.

The previous prime is 816341. The next prime is 816367. The reversal of 816353 is 353618.

816353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786769 + 29584 = 887^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 816353 - 2¹² = 812257 is a prime.

It is not a weakly prime, because it can be changed into another prime (816653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408176 + 408177.

It is an arithmetic number, because the mean of its divisors is an integer number (408177).

2⁸¹⁶³⁵³ is an apocalyptic number.

It is an amenable number.

816353 is a deficient number, since it is larger than the sum of its proper divisors (1).

816353 is an equidigital number, since it uses as much as digits as its factorization.

816353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 816353 is about 903.5225509084. The cubic root of 816353 is about 93.4600475595.

It can be divided in two parts, 8 and 16353, that added together give a palindrome (16361).

The spelling of 816353 in words is "eight hundred sixteen thousand, three hundred fifty-three".