787825 has 6 divisors (see below), whose sum is σ = 976934. Its totient is φ = 630240.

The previous prime is 787823. The next prime is 787837. The reversal of 787825 is 528787.

It can be written as a sum of positive squares in 3 ways, for example, as 11664 + 776161 = 108^2 + 881^2 .

It is not a de Polignac number, because 787825 - 2¹ = 787823 is a prime.

It is a Duffinian number.

787825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (787823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15732 + ... + 15781.

2⁷⁸⁷⁸²⁵ is an apocalyptic number.

It is an amenable number.

787825 is a deficient number, since it is larger than the sum of its proper divisors (189109).

787825 is a wasteful number, since it uses less digits than its factorization.

787825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31523 (or 31518 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 787825 is about 887.5950653310. The cubic root of 787825 is about 92.3584394216.

It can be divided in two parts, 78782 and 5, that added together give a palindrome (78787).

The spelling of 787825 in words is "seven hundred eighty-seven thousand, eight hundred twenty-five".