815341 has 2 divisors, whose sum is σ = 815342. Its totient is φ = 815340.

The previous prime is 815333. The next prime is 815351. The reversal of 815341 is 143518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594441 + 220900 = 771^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 815341 - 2³ = 815333 is a prime.

It is equal to p₆₅₀₇₄ and since 815341 and 65074 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (815351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407670 + 407671.

It is an arithmetic number, because the mean of its divisors is an integer number (407671).

2⁸¹⁵³⁴¹ is an apocalyptic number.

It is an amenable number.

815341 is a deficient number, since it is larger than the sum of its proper divisors (1).

815341 is an equidigital number, since it uses as much as digits as its factorization.

815341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 815341 is about 902.9623469448. The cubic root of 815341 is about 93.4214120354.

Adding to 815341 its reverse (143518), we get a palindrome (958859).

It can be divided in two parts, 815 and 341, that added together give a square (1156 = 34²).

The spelling of 815341 in words is "eight hundred fifteen thousand, three hundred forty-one".