196252081 has 3 divisors (see below), whose sum is σ = 196266091. Its totient is φ = 196238072.

The previous prime is 196252061. The next prime is 196252087. The reversal of 196252081 is 180252691.

The square root of 196252081 is 14009.

It is a perfect power (a square), and thus also a powerful number.

196252081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 154778481 + 41473600 = 12441^2 + 6440^2 .

It is not a de Polignac number, because 196252081 - 2²¹ = 194154929 is a prime.

It is a super-2 number, since 2×196252081² = 77029758593661122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196252087) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7005 + ... + 21013.

Almost surely, 2^196252081 is an apocalyptic number.

196252081 is the 14009-th square number.

196252081 is the 7005-th centered octagonal number.

It is an amenable number.

196252081 is a deficient number, since it is larger than the sum of its proper divisors (14010).

196252081 is an frugal number, since it uses more digits than its factorization.

196252081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018 (or 14009 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The cubic root of 196252081 is about 581.1274946510.

The spelling of 196252081 in words is "one hundred ninety-six million, two hundred fifty-two thousand, eighty-one".