650206057 has 2 divisors, whose sum is σ = 650206058. Its totient is φ = 650206056.

The previous prime is 650206031. The next prime is 650206061. The reversal of 650206057 is 750602056.

650206057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650199001 + 7056 = 25499^2 + 84^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650206057 is a prime.

It is not a weakly prime, because it can be changed into another prime (650206027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325103028 + 325103029.

It is an arithmetic number, because the mean of its divisors is an integer number (325103029).

Almost surely, 2^650206057 is an apocalyptic number.

It is an amenable number.

650206057 is a deficient number, since it is larger than the sum of its proper divisors (1).

650206057 is an equidigital number, since it uses as much as digits as its factorization.

650206057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 650206057 is about 25499.1383579916. The cubic root of 650206057 is about 866.3306313784.

The spelling of 650206057 in words is "six hundred fifty million, two hundred six thousand, fifty-seven".