650039537 has 10 divisors (see below), whose sum is σ = 758337138. Its totient is φ = 557174688.

The previous prime is 650039531. The next prime is 650039567. The reversal of 650039537 is 735930056.

It can be written as a sum of positive squares in only one way, i.e., 562448656 + 87590881 = 23716^2 + 9359^2 .

It is not a de Polignac number, because 650039537 - 2²⁴ = 633262321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 650039537.

It is not an unprimeable number, because it can be changed into a prime (650039531) 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 9 ways as a sum of consecutive naturals, for example, 132968 + ... + 137769.

Almost surely, 2^650039537 is an apocalyptic number.

It is an amenable number.

650039537 is a deficient number, since it is larger than the sum of its proper divisors (108297601).

650039537 is an frugal number, since it uses more digits than its factorization.

650039537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270765 (or 270744 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 650039537 is about 25495.8729405369. The cubic root of 650039537 is about 866.2566683158.

It can be divided in two parts, 650039 and 537, that multiplied together give a palindrome (349070943).

The spelling of 650039537 in words is "six hundred fifty million, thirty-nine thousand, five hundred thirty-seven".