650143441 has 2 divisors, whose sum is σ = 650143442. Its totient is φ = 650143440.

The previous prime is 650143423. The next prime is 650143447. The reversal of 650143441 is 144341056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494617600 + 155525841 = 22240^2 + 12471^2 .

It is a cyclic number.

It is not a de Polignac number, because 650143441 - 2²⁵ = 616589009 is a prime.

It is not a weakly prime, because it can be changed into another prime (650143447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325071720 + 325071721.

It is an arithmetic number, because the mean of its divisors is an integer number (325071721).

Almost surely, 2^650143441 is an apocalyptic number.

It is an amenable number.

650143441 is a deficient number, since it is larger than the sum of its proper divisors (1).

650143441 is an equidigital number, since it uses as much as digits as its factorization.

650143441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 650143441 is about 25497.9105222369. The cubic root of 650143441 is about 866.3028207586.

Adding to 650143441 its reverse (144341056), we get a palindrome (794484497).

The spelling of 650143441 in words is "six hundred fifty million, one hundred forty-three thousand, four hundred forty-one".