651104 has 12 divisors (see below), whose sum is σ = 1281924. Its totient is φ = 325536.

The previous prime is 651103. The next prime is 651109. The reversal of 651104 is 401156.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10142 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (106827).

2⁶⁵¹¹⁰⁴ is an apocalyptic number.

It is an amenable number.

651104 is a deficient number, since it is larger than the sum of its proper divisors (630820).

651104 is a wasteful number, since it uses less digits than its factorization.

651104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20357 (or 20349 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 651104 is about 806.9101560893. The cubic root of 651104 is about 86.6729252548.

The spelling of 651104 in words is "six hundred fifty-one thousand, one hundred four".