650242457 has 2 divisors, whose sum is σ = 650242458. Its totient is φ = 650242456.

The previous prime is 650242451. The next prime is 650242459. The reversal of 650242457 is 754242056.

650242457 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., 649434256 + 808201 = 25484^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 650242457 - 2⁴ = 650242441 is a prime.

Together with 650242459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (650242451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325121228 + 325121229.

It is an arithmetic number, because the mean of its divisors is an integer number (325121229).

Almost surely, 2^650242457 is an apocalyptic number.

It is an amenable number.

650242457 is a deficient number, since it is larger than the sum of its proper divisors (1).

650242457 is an equidigital number, since it uses as much as digits as its factorization.

650242457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 650242457 is about 25499.8520976103. The cubic root of 650242457 is about 866.3467974569.

The spelling of 650242457 in words is "six hundred fifty million, two hundred forty-two thousand, four hundred fifty-seven".