514667641 has 2 divisors, whose sum is σ = 514667642. Its totient is φ = 514667640.

The previous prime is 514667633. The next prime is 514667651. The reversal of 514667641 is 146766415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366339600 + 148328041 = 19140^2 + 12179^2 .

It is a cyclic number.

It is not a de Polignac number, because 514667641 - 2³ = 514667633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 514667594 and 514667603.

It is not a weakly prime, because it can be changed into another prime (514667651) 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, 257333820 + 257333821.

It is an arithmetic number, because the mean of its divisors is an integer number (257333821).

Almost surely, 2^514667641 is an apocalyptic number.

It is an amenable number.

514667641 is a deficient number, since it is larger than the sum of its proper divisors (1).

514667641 is an equidigital number, since it uses as much as digits as its factorization.

514667641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 514667641 is about 22686.2875103001. The cubic root of 514667641 is about 801.3869902869.

The spelling of 514667641 in words is "five hundred fourteen million, six hundred sixty-seven thousand, six hundred forty-one".