650540029 has 2 divisors, whose sum is σ = 650540030. Its totient is φ = 650540028.

The previous prime is 650540017. The next prime is 650540039. The reversal of 650540029 is 920045056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 591219225 + 59320804 = 24315^2 + 7702^2 .

It is a cyclic number.

It is not a de Polignac number, because 650540029 - 2⁹ = 650539517 is a prime.

It is a super-3 number, since 3×650540029³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650540039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325270014 + 325270015.

It is an arithmetic number, because the mean of its divisors is an integer number (325270015).

Almost surely, 2^650540029 is an apocalyptic number.

It is an amenable number.

650540029 is a deficient number, since it is larger than the sum of its proper divisors (1).

650540029 is an equidigital number, since it uses as much as digits as its factorization.

650540029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 650540029 is about 25505.6862091574. The cubic root of 650540029 is about 866.4789334166.

The spelling of 650540029 in words is "six hundred fifty million, five hundred forty thousand, twenty-nine".