201481275 has 24 divisors (see below), whose sum is σ = 335674944. Its totient is φ = 106631200.

The previous prime is 201481271. The next prime is 201481303. The reversal of 201481275 is 572184102.

It is not a de Polignac number, because 201481275 - 2² = 201481271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201481271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (13986456).

Almost surely, 2^201481275 is an apocalyptic number.

201481275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

201481275 is a deficient number, since it is larger than the sum of its proper divisors (134193669).

201481275 is a wasteful number, since it uses less digits than its factorization.

201481275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20651 (or 20646 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 201481275 is about 14194.4099912606. The cubic root of 201481275 is about 586.2437560236.

The spelling of 201481275 in words is "two hundred one million, four hundred eighty-one thousand, two hundred seventy-five".