651896481 has 8 divisors (see below), whose sum is σ = 899167680. Its totient is φ = 419611472.

The previous prime is 651896473. The next prime is 651896491. The reversal of 651896481 is 184698156.

651896481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 651896481 - 2³ = 651896473 is a prime.

It is a super-2 number, since 2×651896481² = 849938043880366722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 651896481.

It is not an unprimeable number, because it can be changed into a prime (651896471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746445 + ... + 3746618.

It is an arithmetic number, because the mean of its divisors is an integer number (112395960).

Almost surely, 2^651896481 is an apocalyptic number.

It is an amenable number.

651896481 is a deficient number, since it is larger than the sum of its proper divisors (247271199).

651896481 is a wasteful number, since it uses less digits than its factorization.

651896481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493095.

The product of its digits is 414720, while the sum is 48.

The square root of 651896481 is about 25532.2635306782. The cubic root of 651896481 is about 867.0807519416.

The spelling of 651896481 in words is "six hundred fifty-one million, eight hundred ninety-six thousand, four hundred eighty-one".