825103406 has 4 divisors (see below), whose sum is σ = 1237655112. Its totient is φ = 412551702.

The previous prime is 825103373. The next prime is 825103421. The reversal of 825103406 is 604301528.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206275850 + ... + 206275853.

It is an arithmetic number, because the mean of its divisors is an integer number (309413778).

Almost surely, 2^825103406 is an apocalyptic number.

825103406 is a deficient number, since it is larger than the sum of its proper divisors (412551706).

825103406 is a wasteful number, since it uses less digits than its factorization.

825103406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412551705.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 825103406 is about 28724.6132436975. The cubic root of 825103406 is about 937.9279112269.

The spelling of 825103406 in words is "eight hundred twenty-five million, one hundred three thousand, four hundred six".