201273606 has 32 divisors (see below), whose sum is σ = 447914880. Its totient is φ = 66995208.

The previous prime is 201273581. The next prime is 201273641. The reversal of 201273606 is 606372102.

It is a happy number.

It is a super-2 number, since 2×201273606² = 81022128944486472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 201273606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42405 + ... + 46911.

It is an arithmetic number, because the mean of its divisors is an integer number (13997340).

Almost surely, 2^201273606 is an apocalyptic number.

201273606 is an abundant number, since it is smaller than the sum of its proper divisors (246641274).

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

201273606 is a wasteful number, since it uses less digits than its factorization.

201273606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345 (or 5339 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 201273606 is about 14187.0929368916. The cubic root of 201273606 is about 586.0422707881.

The spelling of 201273606 in words is "two hundred one million, two hundred seventy-three thousand, six hundred six".