651525760 has 64 divisors (see below), whose sum is σ = 1607846400. Its totient is φ = 252195840.

The previous prime is 651525739. The next prime is 651525769. The reversal of 651525760 is 67525156.

651525760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (651525769) 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, 3421 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (25122600).

Almost surely, 2^651525760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651525760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803923200).

651525760 is an abundant number, since it is smaller than the sum of its proper divisors (956320640).

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

651525760 is a wasteful number, since it uses less digits than its factorization.

651525760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32889 (or 32877 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 651525760 is about 25525.0026444661. The cubic root of 651525760 is about 866.9163567218.

The spelling of 651525760 in words is "six hundred fifty-one million, five hundred twenty-five thousand, seven hundred sixty".