650525568 has 256 divisors, whose sum is σ = 2203200000. Its totient is φ = 168591360.

The previous prime is 650525539. The next prime is 650525581. The reversal of 650525568 is 865525056.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 in 31 ways as a sum of consecutive naturals, for example, 1448608 + ... + 1449056.

It is an arithmetic number, because the mean of its divisors is an integer number (8606250).

Almost surely, 2^650525568 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 650525568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101600000).

650525568 is an abundant number, since it is smaller than the sum of its proper divisors (1552674432).

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

650525568 is a wasteful number, since it uses less digits than its factorization.

650525568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The square root of 650525568 is about 25505.4027217764. The cubic root of 650525568 is about 866.4725129843.

The spelling of 650525568 in words is "six hundred fifty million, five hundred twenty-five thousand, five hundred sixty-eight".