195541512 has 32 divisors (see below), whose sum is σ = 489844800. Its totient is φ = 65048384.

The previous prime is 195541499. The next prime is 195541513. The reversal of 195541512 is 215145591.

195541512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195541512² = 76472965830492288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (195541513) 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, 4213 + ... + 20219.

It is an arithmetic number, because the mean of its divisors is an integer number (15307650).

Almost surely, 2^195541512 is an apocalyptic number.

195541512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195541512 is an abundant number, since it is smaller than the sum of its proper divisors (294303288).

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

195541512 is a wasteful number, since it uses less digits than its factorization.

195541512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525 (or 16521 counting only the distinct ones).

The product of its digits is 9000, while the sum is 33.

The square root of 195541512 is about 13983.6158414053. The cubic root of 195541512 is about 580.4252845962.

The spelling of 195541512 in words is "one hundred ninety-five million, five hundred forty-one thousand, five hundred twelve".