815053 has 2 divisors, whose sum is σ = 815054. Its totient is φ = 815052.

The previous prime is 815047. The next prime is 815063. The reversal of 815053 is 350518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 8649 = 898^2 + 93^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-815053 is a prime.

It is a super-2 number, since 2×815053² = 1328622785618, which contains 22 as substring.

It is equal to p₆₅₀₅₆ and since 815053 and 65056 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 (815033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407526 + 407527.

It is an arithmetic number, because the mean of its divisors is an integer number (407527).

2⁸¹⁵⁰⁵³ is an apocalyptic number.

It is an amenable number.

815053 is a deficient number, since it is larger than the sum of its proper divisors (1).

815053 is an equidigital number, since it uses as much as digits as its factorization.

815053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 815053 is about 902.8028577713. The cubic root of 815053 is about 93.4104111023.

The spelling of 815053 in words is "eight hundred fifteen thousand, fifty-three".