514020164521 has 2 divisors, whose sum is σ = 514020164522. Its totient is φ = 514020164520.

The previous prime is 514020164513. The next prime is 514020164533. The reversal of 514020164521 is 125461020415.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495623040025 + 18397124496 = 704005^2 + 135636^2 .

It is a cyclic number.

It is not a de Polignac number, because 514020164521 - 2³ = 514020164513 is a prime.

It is not a weakly prime, because it can be changed into another prime (514020194521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257010082260 + 257010082261.

It is an arithmetic number, because the mean of its divisors is an integer number (257010082261).

Almost surely, 2^514020164521 is an apocalyptic number.

It is an amenable number.

514020164521 is a deficient number, since it is larger than the sum of its proper divisors (1).

514020164521 is an equidigital number, since it uses as much as digits as its factorization.

514020164521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 514020164521 its reverse (125461020415), we get a palindrome (639481184936).

The spelling of 514020164521 in words is "five hundred fourteen billion, twenty million, one hundred sixty-four thousand, five hundred twenty-one".