825734625 has 32 divisors (see below), whose sum is σ = 1454858496. Its totient is φ = 414483200.

The previous prime is 825734621. The next prime is 825734669. The reversal of 825734625 is 526437528.

It is not a de Polignac number, because 825734625 - 2² = 825734621 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (825734621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58389 + ... + 71138.

It is an arithmetic number, because the mean of its divisors is an integer number (45464328).

Almost surely, 2^825734625 is an apocalyptic number.

825734625 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

825734625 is a deficient number, since it is larger than the sum of its proper divisors (629123871).

825734625 is a wasteful number, since it uses less digits than its factorization.

825734625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129562 (or 129552 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 825734625 is about 28735.5985669344. The cubic root of 825734625 is about 938.1670275222.

The spelling of 825734625 in words is "eight hundred twenty-five million, seven hundred thirty-four thousand, six hundred twenty-five".