863325953 has 12 divisors (see below), whose sum is σ = 1047942720. Its totient is φ = 707819112.

The previous prime is 863325941. The next prime is 863325961. The reversal of 863325953 is 359523368.

It is a happy number.

863325953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-863325953 is a prime.

It is a super-2 number, since 2×863325953² = 1490663402246716418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (863325923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381893 + ... + 384146.

It is an arithmetic number, because the mean of its divisors is an integer number (87328560).

Almost surely, 2^863325953 is an apocalyptic number.

It is an amenable number.

863325953 is a deficient number, since it is larger than the sum of its proper divisors (184616767).

863325953 is a wasteful number, since it uses less digits than its factorization.

863325953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766076 (or 766069 counting only the distinct ones).

The product of its digits is 583200, while the sum is 44.

The square root of 863325953 is about 29382.4089039684. The cubic root of 863325953 is about 952.1928855130.

The spelling of 863325953 in words is "eight hundred sixty-three million, three hundred twenty-five thousand, nine hundred fifty-three".