650061157 has 2 divisors, whose sum is σ = 650061158. Its totient is φ = 650061156.

The previous prime is 650061133. The next prime is 650061173. The reversal of 650061157 is 751160056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644448996 + 5612161 = 25386^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 650061157 - 2¹⁵ = 650028389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650061127) 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 as a sum of consecutive naturals, namely, 325030578 + 325030579.

It is an arithmetic number, because the mean of its divisors is an integer number (325030579).

Almost surely, 2^650061157 is an apocalyptic number.

It is an amenable number.

650061157 is a deficient number, since it is larger than the sum of its proper divisors (1).

650061157 is an equidigital number, since it uses as much as digits as its factorization.

650061157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 650061157 is about 25496.2969272010. The cubic root of 650061157 is about 866.2662719684.

The spelling of 650061157 in words is "six hundred fifty million, sixty-one thousand, one hundred fifty-seven".