512155092 has 48 divisors (see below), whose sum is σ = 1251016704. Its totient is φ = 162876000.

The previous prime is 512155081. The next prime is 512155121. The reversal of 512155092 is 290551215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16717 + ... + 36107.

It is an arithmetic number, because the mean of its divisors is an integer number (26062848).

Almost surely, 2^512155092 is an apocalyptic number.

It is an amenable number.

512155092 is an abundant number, since it is smaller than the sum of its proper divisors (738861612).

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

512155092 is a wasteful number, since it uses less digits than its factorization.

512155092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19500 (or 19498 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 512155092 is about 22630.8438198844. The cubic root of 512155092 is about 800.0807689285.

The spelling of 512155092 in words is "five hundred twelve million, one hundred fifty-five thousand, ninety-two".