512131452 has 48 divisors (see below), whose sum is σ = 1366794240. Its totient is φ = 146204352.

The previous prime is 512131441. The next prime is 512131489. The reversal of 512131452 is 254131215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189253 + ... + 191939.

It is an arithmetic number, because the mean of its divisors is an integer number (28474880).

Almost surely, 2^512131452 is an apocalyptic number.

It is an amenable number.

512131452 is an abundant number, since it is smaller than the sum of its proper divisors (854662788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512131452 is a wasteful number, since it uses less digits than its factorization.

512131452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970 (or 4968 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 512131452 is about 22630.3215178221. The cubic root of 512131452 is about 800.0684587249.

Adding to 512131452 its reverse (254131215), we get a palindrome (766262667).

The spelling of 512131452 in words is "five hundred twelve million, one hundred thirty-one thousand, four hundred fifty-two".