514509973 has 2 divisors, whose sum is σ = 514509974. Its totient is φ = 514509972.

The previous prime is 514509971. The next prime is 514509997. The reversal of 514509973 is 379905415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510850404 + 3659569 = 22602^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 514509973 - 2¹ = 514509971 is a prime.

Together with 514509971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514509971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257254986 + 257254987.

It is an arithmetic number, because the mean of its divisors is an integer number (257254987).

Almost surely, 2^514509973 is an apocalyptic number.

It is an amenable number.

514509973 is a deficient number, since it is larger than the sum of its proper divisors (1).

514509973 is an equidigital number, since it uses as much as digits as its factorization.

514509973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 514509973 is about 22682.8122815492. The cubic root of 514509973 is about 801.3051471848.

The spelling of 514509973 in words is "five hundred fourteen million, five hundred nine thousand, nine hundred seventy-three".