514217663 has 4 divisors (see below), whose sum is σ = 515871408. Its totient is φ = 512563920.

The previous prime is 514217659. The next prime is 514217689. The reversal of 514217663 is 366712415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366712415 = 5 ⋅73342483.

It is a cyclic number.

It is not a de Polignac number, because 514217663 - 2² = 514217659 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 (514217623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826406 + ... + 827027.

It is an arithmetic number, because the mean of its divisors is an integer number (128967852).

Almost surely, 2^514217663 is an apocalyptic number.

514217663 is a deficient number, since it is larger than the sum of its proper divisors (1653745).

514217663 is a wasteful number, since it uses less digits than its factorization.

514217663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653744.

The product of its digits is 30240, while the sum is 35.

The square root of 514217663 is about 22676.3679410967. The cubic root of 514217663 is about 801.1533691878.

The spelling of 514217663 in words is "five hundred fourteen million, two hundred seventeen thousand, six hundred sixty-three".