1063813 has 2 divisors, whose sum is σ = 1063814. Its totient is φ = 1063812.

The previous prime is 1063781. The next prime is 1063823. The reversal of 1063813 is 3183601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 675684 + 388129 = 822^2 + 623^2 .

It is an emirp because it is prime and its reverse (3183601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1063813 - 2⁵ = 1063781 is a prime.

It is a super-2 number, since 2×1063813² = 2263396197938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531906 + 531907.

It is an arithmetic number, because the mean of its divisors is an integer number (531907).

2^1063813 is an apocalyptic number.

It is an amenable number.

1063813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063813 is an equidigital number, since it uses as much as digits as its factorization.

1063813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1063813 is about 1031.4131083131. The cubic root of 1063813 is about 102.0833932898.

The spelling of 1063813 in words is "one million, sixty-three thousand, eight hundred thirteen".