512545398 has 16 divisors (see below), whose sum is σ = 1031972400. Its totient is φ = 169701536.

The previous prime is 512545373. The next prime is 512545399. The reversal of 512545398 is 893545215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512545399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285765 + ... + 287552.

It is an arithmetic number, because the mean of its divisors is an integer number (64498275).

Almost surely, 2^512545398 is an apocalyptic number.

512545398 is an abundant number, since it is smaller than the sum of its proper divisors (519427002).

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

512545398 is a wasteful number, since it uses less digits than its factorization.

512545398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573471.

The product of its digits is 216000, while the sum is 42.

The square root of 512545398 is about 22639.4654972241. The cubic root of 512545398 is about 800.2839606543.

The spelling of 512545398 in words is "five hundred twelve million, five hundred forty-five thousand, three hundred ninety-eight".