512135403 has 12 divisors (see below), whose sum is σ = 739415160. Its totient is φ = 315159936.

The previous prime is 512135401. The next prime is 512135417. The reversal of 512135403 is 304531215.

It is not a de Polignac number, because 512135403 - 2¹ = 512135401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (512135401) 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, 504558 + ... + 505571.

It is an arithmetic number, because the mean of its divisors is an integer number (61617930).

Almost surely, 2^512135403 is an apocalyptic number.

512135403 is a deficient number, since it is larger than the sum of its proper divisors (227279757).

512135403 is a wasteful number, since it uses less digits than its factorization.

512135403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010158 (or 1010145 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 512135403 is about 22630.4088120387. The cubic root of 512135403 is about 800.0705161800.

Adding to 512135403 its reverse (304531215), we get a palindrome (816666618).

It can be divided in two parts, 51213 and 5403, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 512135403 in words is "five hundred twelve million, one hundred thirty-five thousand, four hundred three".