650525565 has 32 divisors (see below), whose sum is σ = 1050255360. Its totient is φ = 343826496.

The previous prime is 650525539. The next prime is 650525581. The reversal of 650525565 is 565525056.

It is not a de Polignac number, because 650525565 - 2⁹ = 650525053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1468234 + ... + 1468676.

It is an arithmetic number, because the mean of its divisors is an integer number (32820480).

Almost surely, 2^650525565 is an apocalyptic number.

It is an amenable number.

650525565 is a deficient number, since it is larger than the sum of its proper divisors (399729795).

650525565 is a wasteful number, since it uses less digits than its factorization.

650525565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 225000, while the sum is 39.

The square root of 650525565 is about 25505.4026629654. The cubic root of 650525565 is about 866.4725116523.

The spelling of 650525565 in words is "six hundred fifty million, five hundred twenty-five thousand, five hundred sixty-five".