825712402 has 16 divisors (see below), whose sum is σ = 1268197920. Its totient is φ = 402992352.

The previous prime is 825712379. The next prime is 825712411. The reversal of 825712402 is 204217528.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231549 + ... + 235087.

It is an arithmetic number, because the mean of its divisors is an integer number (79262370).

Almost surely, 2^825712402 is an apocalyptic number.

825712402 is a deficient number, since it is larger than the sum of its proper divisors (442485518).

825712402 is a wasteful number, since it uses less digits than its factorization.

825712402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 825712402 is about 28735.2118836803. The cubic root of 825712402 is about 938.1586111488.

The spelling of 825712402 in words is "eight hundred twenty-five million, seven hundred twelve thousand, four hundred two".