650922197 has 16 divisors (see below), whose sum is σ = 750513600. Its totient is φ = 560367360.

The previous prime is 650922187. The next prime is 650922229. The reversal of 650922197 is 791229056.

It is a cyclic number.

It is not a de Polignac number, because 650922197 - 2⁶ = 650922133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650922187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25379 + ... + 44112.

It is an arithmetic number, because the mean of its divisors is an integer number (46907100).

Almost surely, 2^650922197 is an apocalyptic number.

It is an amenable number.

650922197 is a deficient number, since it is larger than the sum of its proper divisors (99591403).

650922197 is a wasteful number, since it uses less digits than its factorization.

650922197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69556.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 650922197 is about 25513.1769287950. The cubic root of 650922197 is about 866.6485748853.

The spelling of 650922197 in words is "six hundred fifty million, nine hundred twenty-two thousand, one hundred ninety-seven".