512153642 has 64 divisors (see below), whose sum is σ = 1053609984. Its totient is φ = 180239040.

The previous prime is 512153639. The next prime is 512153647. The reversal of 512153642 is 246351215.

It is not an unprimeable number, because it can be changed into a prime (512153647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91373 + ... + 96815.

It is an arithmetic number, because the mean of its divisors is an integer number (16462656).

Almost surely, 2^512153642 is an apocalyptic number.

512153642 is an abundant number, since it is smaller than the sum of its proper divisors (541456342).

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

512153642 is a wasteful number, since it uses less digits than its factorization.

512153642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523.

The product of its digits is 7200, while the sum is 29.

The square root of 512153642 is about 22630.8117839374. The cubic root of 512153642 is about 800.0800138720.

The spelling of 512153642 in words is "five hundred twelve million, one hundred fifty-three thousand, six hundred forty-two".