201242471 has 16 divisors (see below), whose sum is σ = 216057600. Its totient is φ = 186883200.

The previous prime is 201242441. The next prime is 201242507. The reversal of 201242471 is 174242102.

It is a cyclic number.

It is not a de Polignac number, because 201242471 - 2⁶ = 201242407 is a prime.

It is a super-3 number, since 3×201242471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201242401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324800 + ... + 325418.

It is an arithmetic number, because the mean of its divisors is an integer number (13503600).

Almost surely, 2^201242471 is an apocalyptic number.

201242471 is a deficient number, since it is larger than the sum of its proper divisors (14815129).

201242471 is a wasteful number, since it uses less digits than its factorization.

201242471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 201242471 is about 14185.9955942472. The cubic root of 201242471 is about 586.0120509506.

Adding to 201242471 its reverse (174242102), we get a palindrome (375484573).

The spelling of 201242471 in words is "two hundred one million, two hundred forty-two thousand, four hundred seventy-one".