514939517 has 4 divisors (see below), whose sum is σ = 517916220. Its totient is φ = 511962816.

The previous prime is 514939507. The next prime is 514939519. The reversal of 514939517 is 715939415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715939415 = 5 ⋅143187883.

It can be written as a sum of positive squares in 2 ways, for example, as 430189081 + 84750436 = 20741^2 + 9206^2 .

It is a cyclic number.

It is not a de Polignac number, because 514939517 - 2¹⁰ = 514938493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514939519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488092 + ... + 1488437.

It is an arithmetic number, because the mean of its divisors is an integer number (129479055).

Almost surely, 2^514939517 is an apocalyptic number.

It is an amenable number.

514939517 is a deficient number, since it is larger than the sum of its proper divisors (2976703).

514939517 is a wasteful number, since it uses less digits than its factorization.

514939517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976702.

The product of its digits is 170100, while the sum is 44.

The square root of 514939517 is about 22692.2787969829. The cubic root of 514939517 is about 801.5280778019.

The spelling of 514939517 in words is "five hundred fourteen million, nine hundred thirty-nine thousand, five hundred seventeen".