201744225 has 36 divisors (see below), whose sum is σ = 362250252. Its totient is φ = 107328000.

The previous prime is 201744217. The next prime is 201744227. The reversal of 201744225 is 522447102.

It can be written as a sum of positive squares in 6 ways, for example, as 3272481 + 198471744 = 1809^2 + 14088^2 .

It is not a de Polignac number, because 201744225 - 2³ = 201744217 is a prime.

It is a hoax number, since the sum of its digits (27) 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 (201744227) 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 35 ways as a sum of consecutive naturals, for example, 116365 + ... + 118085.

It is an arithmetic number, because the mean of its divisors is an integer number (10062507).

Almost surely, 2^201744225 is an apocalyptic number.

201744225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201744225 is a deficient number, since it is larger than the sum of its proper divisors (160506027).

201744225 is a wasteful number, since it uses less digits than its factorization.

201744225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 201744225 is about 14203.6694202590. The cubic root of 201744225 is about 586.4986776177.

The spelling of 201744225 in words is "two hundred one million, seven hundred forty-four thousand, two hundred twenty-five".