513853285 has 32 divisors (see below), whose sum is σ = 688642560. Its totient is φ = 364915200.

The previous prime is 513853283. The next prime is 513853289. The reversal of 513853285 is 582358315.

It is a happy number.

It is not a de Polignac number, because 513853285 - 2¹ = 513853283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513853283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192020 + ... + 1192450.

It is an arithmetic number, because the mean of its divisors is an integer number (21520080).

Almost surely, 2^513853285 is an apocalyptic number.

513853285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513853285 is a deficient number, since it is larger than the sum of its proper divisors (174789275).

513853285 is a wasteful number, since it uses less digits than its factorization.

513853285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909.

The product of its digits is 144000, while the sum is 40.

The square root of 513853285 is about 22668.3322059652. The cubic root of 513853285 is about 800.9640902998.

The spelling of 513853285 in words is "five hundred thirteen million, eight hundred fifty-three thousand, two hundred eighty-five".