514645 has 4 divisors (see below), whose sum is σ = 617580. Its totient is φ = 411712.

The previous prime is 514643. The next prime is 514649. The reversal of 514645 is 546415.

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 380689 + 133956 = 617^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 514645 - 2¹ = 514643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514643) 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, 51460 + ... + 51469.

It is an arithmetic number, because the mean of its divisors is an integer number (154395).

2⁵¹⁴⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

514645 is a deficient number, since it is larger than the sum of its proper divisors (102935).

514645 is a wasteful number, since it uses less digits than its factorization.

514645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102934.

The product of its digits is 2400, while the sum is 25.

The square root of 514645 is about 717.3876218614. The cubic root of 514645 is about 80.1375238710.

The spelling of 514645 in words is "five hundred fourteen thousand, six hundred forty-five".