651571060 has 48 divisors (see below), whose sum is σ = 1565754624. Its totient is φ = 223112448.

The previous prime is 651571049. The next prime is 651571061. The reversal of 651571060 is 60175156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651571061) 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 15 ways as a sum of consecutive naturals, for example, 128697 + ... + 133663.

It is an arithmetic number, because the mean of its divisors is an integer number (32619888).

Almost surely, 2^651571060 is an apocalyptic number.

It is an amenable number.

651571060 is an abundant number, since it is smaller than the sum of its proper divisors (914183564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651571060 is a wasteful number, since it uses less digits than its factorization.

651571060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920 (or 5918 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 651571060 is about 25525.8899942784. The cubic root of 651571060 is about 866.9364482276.

The spelling of 651571060 in words is "six hundred fifty-one million, five hundred seventy-one thousand, sixty".