514945 has 8 divisors (see below), whose sum is σ = 622440. Its totient is φ = 408960.

The previous prime is 514939. The next prime is 514949. The reversal of 514945 is 549415.

It can be written as a sum of positive squares in 4 ways, for example, as 20736 + 494209 = 144^2 + 703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 514945 - 2⁹ = 514433 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (514949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2⁵¹⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

514945 is a deficient number, since it is larger than the sum of its proper divisors (107495).

514945 is a wasteful number, since it uses less digits than its factorization.

514945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 3600, while the sum is 28.

The square root of 514945 is about 717.5966833814. The cubic root of 514945 is about 80.1530922643.

The spelling of 514945 in words is "five hundred fourteen thousand, nine hundred forty-five".