650755057 has 2 divisors, whose sum is σ = 650755058. Its totient is φ = 650755056.

The previous prime is 650755033. The next prime is 650755067. The reversal of 650755057 is 750557056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 503957601 + 146797456 = 22449^2 + 12116^2 .

It is a cyclic number.

It is not a de Polignac number, because 650755057 - 2¹¹ = 650753009 is a prime.

It is a super-2 number, since 2×650755057² = 846964288422146498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (650755067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325377528 + 325377529.

It is an arithmetic number, because the mean of its divisors is an integer number (325377529).

Almost surely, 2^650755057 is an apocalyptic number.

It is an amenable number.

650755057 is a deficient number, since it is larger than the sum of its proper divisors (1).

650755057 is an equidigital number, since it uses as much as digits as its factorization.

650755057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 650755057 is about 25509.9011562178. The cubic root of 650755057 is about 866.5743908823.

The spelling of 650755057 in words is "six hundred fifty million, seven hundred fifty-five thousand, fifty-seven".