201338451 has 6 divisors (see below), whose sum is σ = 290822220. Its totient is φ = 134225628.

The previous prime is 201338443. The next prime is 201338471. The reversal of 201338451 is 154833102.

It is a happy number.

201338451 is a `hidden beast` number, since 201 + 3 + 3 + 8 + 451 = 666.

It is not a de Polignac number, because 201338451 - 2³ = 201338443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201338441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11185461 + ... + 11185478.

It is an arithmetic number, because the mean of its divisors is an integer number (48470370).

Almost surely, 2^201338451 is an apocalyptic number.

201338451 is a deficient number, since it is larger than the sum of its proper divisors (89483769).

201338451 is a wasteful number, since it uses less digits than its factorization.

201338451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22370945 (or 22370942 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 201338451 is about 14189.3781047656. The cubic root of 201338451 is about 586.1051997723.

The spelling of 201338451 in words is "two hundred one million, three hundred thirty-eight thousand, four hundred fifty-one".