201249606 has 8 divisors (see below), whose sum is σ = 402499224. Its totient is φ = 67083200.

The previous prime is 201249599. The next prime is 201249611. The reversal of 201249606 is 606942102.

It is a sphenic number, since it is the product of 3 distinct primes.

201249606 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16770795 + ... + 16770806.

It is an arithmetic number, because the mean of its divisors is an integer number (50312403).

Almost surely, 2^201249606 is an apocalyptic number.

201249606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201249606 is a wasteful number, since it uses less digits than its factorization.

201249606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33541606.

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

The square root of 201249606 is about 14186.2470724290. The cubic root of 201249606 is about 586.0189765042.

The spelling of 201249606 in words is "two hundred one million, two hundred forty-nine thousand, six hundred six".