201449361 has 4 divisors (see below), whose sum is σ = 268599152. Its totient is φ = 134299572.

The previous prime is 201449351. The next prime is 201449363. The reversal of 201449361 is 163944102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201449361 - 2⁷ = 201449233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201449363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33574891 + ... + 33574896.

It is an arithmetic number, because the mean of its divisors is an integer number (67149788).

Almost surely, 2^201449361 is an apocalyptic number.

It is an amenable number.

201449361 is a deficient number, since it is larger than the sum of its proper divisors (67149791).

201449361 is an equidigital number, since it uses as much as digits as its factorization.

201449361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67149790.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 201449361 is about 14193.2857718007. The cubic root of 201449361 is about 586.2128013337.

The spelling of 201449361 in words is "two hundred one million, four hundred forty-nine thousand, three hundred sixty-one".