198525612 has 24 divisors (see below), whose sum is σ = 478170112. Its totient is φ = 64040400.

The previous prime is 198525611. The next prime is 198525629. The reversal of 198525612 is 216525891.

198525612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198525611) 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, 266464 + ... + 267207.

Almost surely, 2^198525612 is an apocalyptic number.

198525612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198525612 is an abundant number, since it is smaller than the sum of its proper divisors (279644500).

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

198525612 is a wasteful number, since it uses less digits than its factorization.

198525612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533709 (or 533707 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 198525612 is about 14089.9117101563. The cubic root of 198525612 is about 583.3629562825.

The spelling of 198525612 in words is "one hundred ninety-eight million, five hundred twenty-five thousand, six hundred twelve".