512213452 has 12 divisors (see below), whose sum is σ = 897562960. Its totient is φ = 255766896.

The previous prime is 512213437. The next prime is 512213467. The reversal of 512213452 is 254312215.

It is an interprime number because it is at equal distance from previous prime (512213437) and next prime (512213467).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81552 + ... + 87607.

Almost surely, 2^512213452 is an apocalyptic number.

It is an amenable number.

512213452 is a deficient number, since it is larger than the sum of its proper divisors (385349508).

512213452 is a wasteful number, since it uses less digits than its factorization.

512213452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169920 (or 169918 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 512213452 is about 22632.1331738747. The cubic root of 512213452 is about 800.1111574710. Note that the first 4 decimals are identical.

Adding to 512213452 its reverse (254312215), we get a palindrome (766525667).

The spelling of 512213452 in words is "five hundred twelve million, two hundred thirteen thousand, four hundred fifty-two".