650566039 has 2 divisors, whose sum is σ = 650566040. Its totient is φ = 650566038.

The previous prime is 650566003. The next prime is 650566051. The reversal of 650566039 is 930665056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650566039 - 2²⁵ = 617011607 is a prime.

It is a super-2 number, since 2×650566039² = 846472342200299042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 650565992 and 650566010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650566069) 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, 325283019 + 325283020.

It is an arithmetic number, because the mean of its divisors is an integer number (325283020).

Almost surely, 2^650566039 is an apocalyptic number.

650566039 is a deficient number, since it is larger than the sum of its proper divisors (1).

650566039 is an equidigital number, since it uses as much as digits as its factorization.

650566039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 650566039 is about 25506.1960903620. The cubic root of 650566039 is about 866.4904811645.

The spelling of 650566039 in words is "six hundred fifty million, five hundred sixty-six thousand, thirty-nine".