514650665 has 4 divisors (see below), whose sum is σ = 617580804. Its totient is φ = 411720528.

The previous prime is 514650659. The next prime is 514650667. The reversal of 514650665 is 566056415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 305096089 + 209554576 = 17467^2 + 14476^2 .

It is a cyclic number.

It is not a de Polignac number, because 514650665 - 2¹⁸ = 514388521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514650667) 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, 51465062 + ... + 51465071.

It is an arithmetic number, because the mean of its divisors is an integer number (154395201).

Almost surely, 2^514650665 is an apocalyptic number.

It is an amenable number.

514650665 is a deficient number, since it is larger than the sum of its proper divisors (102930139).

514650665 is a wasteful number, since it uses less digits than its factorization.

514650665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102930138.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 514650665 is about 22685.9133604975. The cubic root of 514650665 is about 801.3781791021.

The spelling of 514650665 in words is "five hundred fourteen million, six hundred fifty thousand, six hundred sixty-five".