650623427 has 2 divisors, whose sum is σ = 650623428. Its totient is φ = 650623426.

The previous prime is 650623409. The next prime is 650623433. The reversal of 650623427 is 724326056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650623427 - 2¹⁴ = 650607043 is a prime.

It is a super-2 number, since 2×650623427² = 846621687522448658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (650623487) 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, 325311713 + 325311714.

It is an arithmetic number, because the mean of its divisors is an integer number (325311714).

Almost surely, 2^650623427 is an apocalyptic number.

650623427 is a deficient number, since it is larger than the sum of its proper divisors (1).

650623427 is an equidigital number, since it uses as much as digits as its factorization.

650623427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 650623427 is about 25507.3210471033. The cubic root of 650623427 is about 866.5159588207.

The spelling of 650623427 in words is "six hundred fifty million, six hundred twenty-three thousand, four hundred twenty-seven".