512135252 has 12 divisors (see below), whose sum is σ = 925147776. Its totient is φ = 247807320.

The previous prime is 512135249. The next prime is 512135257. The reversal of 512135252 is 252531215.

It is a super-2 number, since 2×512135252² = 524565032682207008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512135257) 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, 2064938 + ... + 2065185.

It is an arithmetic number, because the mean of its divisors is an integer number (77095648).

Almost surely, 2^512135252 is an apocalyptic number.

It is an amenable number.

512135252 is a deficient number, since it is larger than the sum of its proper divisors (413012524).

512135252 is a wasteful number, since it uses less digits than its factorization.

512135252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130158 (or 4130156 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 512135252 is about 22630.4054758195. The cubic root of 512135252 is about 800.0704375480.

Adding to 512135252 its reverse (252531215), we get a palindrome (764666467).

It can be divided in two parts, 51213 and 5252, that added together give a palindrome (56465).

The spelling of 512135252 in words is "five hundred twelve million, one hundred thirty-five thousand, two hundred fifty-two".