650525540 has 48 divisors (see below), whose sum is σ = 1565028864. Its totient is φ = 222499200.

The previous prime is 650525539. The next prime is 650525581. The reversal of 650525540 is 45525056.

650525540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 650525497 and 650525506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54950 + ... + 65730.

It is an arithmetic number, because the mean of its divisors is an integer number (32604768).

Almost surely, 2^650525540 is an apocalyptic number.

It is an amenable number.

650525540 is an abundant number, since it is smaller than the sum of its proper divisors (914503324).

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

650525540 is a wasteful number, since it uses less digits than its factorization.

650525540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228 (or 11226 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 650525540 is about 25505.4021728731. The cubic root of 650525540 is about 866.4725005527.

The spelling of 650525540 in words is "six hundred fifty million, five hundred twenty-five thousand, five hundred forty".