201551214 has 8 divisors (see below), whose sum is σ = 403102440. Its totient is φ = 67183736.

The previous prime is 201551177. The next prime is 201551227. The reversal of 201551214 is 412155102.

201551214 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

201551214 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, 16795929 + ... + 16795940.

It is an arithmetic number, because the mean of its divisors is an integer number (50387805).

Almost surely, 2^201551214 is an apocalyptic number.

201551214 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.

201551214 is a wasteful number, since it uses less digits than its factorization.

201551214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33591874.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 201551214 is about 14196.8733881795. The cubic root of 201551214 is about 586.3115812823.

The spelling of 201551214 in words is "two hundred one million, five hundred fifty-one thousand, two hundred fourteen".