201225473 has 4 divisors (see below), whose sum is σ = 201254868. Its totient is φ = 201196080.

The previous prime is 201225457. The next prime is 201225503. The reversal of 201225473 is 374522102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 374522102 = 2 ⋅187261051.

It can be written as a sum of positive squares in 2 ways, for example, as 101465329 + 99760144 = 10073^2 + 9988^2 .

It is a cyclic number.

It is not a de Polignac number, because 201225473 - 2⁴ = 201225457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201222473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 20123.

It is an arithmetic number, because the mean of its divisors is an integer number (50313717).

Almost surely, 2^201225473 is an apocalyptic number.

It is an amenable number.

201225473 is a deficient number, since it is larger than the sum of its proper divisors (29395).

201225473 is a wasteful number, since it uses less digits than its factorization.

201225473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29394.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 201225473 is about 14185.3964696092. The cubic root of 201225473 is about 585.9955512637.

Adding to 201225473 its reverse (374522102), we get a palindrome (575747575).

The spelling of 201225473 in words is "two hundred one million, two hundred twenty-five thousand, four hundred seventy-three".