512540312 has 8 divisors (see below), whose sum is σ = 961013100. Its totient is φ = 256270152.

The previous prime is 512540309. The next prime is 512540323. The reversal of 512540312 is 213045215.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033762 + ... + 32033777.

Almost surely, 2^512540312 is an apocalyptic number.

It is an amenable number.

512540312 is a deficient number, since it is larger than the sum of its proper divisors (448472788).

512540312 is a wasteful number, since it uses less digits than its factorization.

512540312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64067545 (or 64067541 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 512540312 is about 22639.3531709720. The cubic root of 512540312 is about 800.2813135668.

Adding to 512540312 its reverse (213045215), we get a palindrome (725585527).

The spelling of 512540312 in words is "five hundred twelve million, five hundred forty thousand, three hundred twelve".