510485 has 12 divisors (see below), whose sum is σ = 643692. Its totient is φ = 388608.

The previous prime is 510481. The next prime is 510529. The reversal of 510485 is 584015.

It can be written as a sum of positive squares in 2 ways, for example, as 152881 + 357604 = 391^2 + 598^2 .

It is not a de Polignac number, because 510485 - 2² = 510481 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 510485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2549 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (53641).

2⁵¹⁰⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

510485 is a deficient number, since it is larger than the sum of its proper divisors (133207).

510485 is a wasteful number, since it uses less digits than its factorization.

510485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 510485 is about 714.4823300824. The cubic root of 510485 is about 79.9210157944.

It can be divided in two parts, 5 and 10485, that multiplied together give a palindrome (52425).

The spelling of 510485 in words is "five hundred ten thousand, four hundred eighty-five".