650972331 has 6 divisors (see below), whose sum is σ = 940293380. Its totient is φ = 433981548.

The previous prime is 650972327. The next prime is 650972401. The reversal of 650972331 is 133279056.

650972331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 650972331 - 2² = 650972327 is a prime.

It is a super-2 number, since 2×650972331² = 847529951455147122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650977331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36165121 + ... + 36165138.

Almost surely, 2^650972331 is an apocalyptic number.

650972331 is a deficient number, since it is larger than the sum of its proper divisors (289321049).

650972331 is a wasteful number, since it uses less digits than its factorization.

650972331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72330265 (or 72330262 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 650972331 is about 25514.1594217799. The cubic root of 650972331 is about 866.6708240596.

The spelling of 650972331 in words is "six hundred fifty million, nine hundred seventy-two thousand, three hundred thirty-one".