825855963 has 32 divisors (see below), whose sum is σ = 1169527296. Its totient is φ = 517321728.

The previous prime is 825855959. The next prime is 825855973. The reversal of 825855963 is 369558528.

It is not a de Polignac number, because 825855963 - 2² = 825855959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825855973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090581 + ... + 1091337.

It is an arithmetic number, because the mean of its divisors is an integer number (36547728).

Almost surely, 2^825855963 is an apocalyptic number.

825855963 is a deficient number, since it is larger than the sum of its proper divisors (343671333).

825855963 is a wasteful number, since it uses less digits than its factorization.

825855963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043.

The product of its digits is 2592000, while the sum is 51.

The square root of 825855963 is about 28737.7097730491. The cubic root of 825855963 is about 938.2129784173.

The spelling of 825855963 in words is "eight hundred twenty-five million, eight hundred fifty-five thousand, nine hundred sixty-three".