825612783 has 16 divisors (see below), whose sum is σ = 1149740160. Its totient is φ = 526451616.

The previous prime is 825612751. The next prime is 825612787. The reversal of 825612783 is 387216528.

It is not a de Polignac number, because 825612783 - 2⁵ = 825612751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825612787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 56485 + ... + 69582.

It is an arithmetic number, because the mean of its divisors is an integer number (71858760).

Almost surely, 2^825612783 is an apocalyptic number.

825612783 is a deficient number, since it is larger than the sum of its proper divisors (324127377).

825612783 is a wasteful number, since it uses less digits than its factorization.

825612783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126166.

The product of its digits is 161280, while the sum is 42.

The square root of 825612783 is about 28733.4784354418. The cubic root of 825612783 is about 938.1208812317.

The spelling of 825612783 in words is "eight hundred twenty-five million, six hundred twelve thousand, seven hundred eighty-three".