1063853215 has 4 divisors (see below), whose sum is σ = 1276623864. Its totient is φ = 851082568.

The previous prime is 1063853191. The next prime is 1063853261. The reversal of 1063853215 is 5123583601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063853215 is a prime.

It is a super-2 number, since 2×1063853215² = 2263567326131672450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106385317 + ... + 106385326.

It is an arithmetic number, because the mean of its divisors is an integer number (319155966).

Almost surely, 2^1063853215 is an apocalyptic number.

1063853215 is a deficient number, since it is larger than the sum of its proper divisors (212770649).

1063853215 is an equidigital number, since it uses as much as digits as its factorization.

1063853215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212770648.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1063853215 is about 32616.7627915463. The cubic root of 1063853215 is about 1020.8467961610.

The spelling of 1063853215 in words is "one billion, sixty-three million, eight hundred fifty-three thousand, two hundred fifteen".