514645217 has 4 divisors (see below), whose sum is σ = 537021120. Its totient is φ = 492269316.

The previous prime is 514645189. The next prime is 514645231. The reversal of 514645217 is 712546415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514645217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514645277) 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 in 3 ways as a sum of consecutive naturals, for example, 11187917 + ... + 11187962.

It is an arithmetic number, because the mean of its divisors is an integer number (134255280).

Almost surely, 2^514645217 is an apocalyptic number.

It is an amenable number.

514645217 is a deficient number, since it is larger than the sum of its proper divisors (22375903).

514645217 is a wasteful number, since it uses less digits than its factorization.

514645217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22375902.

The product of its digits is 33600, while the sum is 35.

The square root of 514645217 is about 22685.7932856667. The cubic root of 514645217 is about 801.3753513434.

The spelling of 514645217 in words is "five hundred fourteen million, six hundred forty-five thousand, two hundred seventeen".