201268281 has 8 divisors (see below), whose sum is σ = 269035264. Its totient is φ = 133840080.

The previous prime is 201268259. The next prime is 201268297. The reversal of 201268281 is 182862102.

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

It is not a de Polignac number, because 201268281 - 2⁷ = 201268153 is a prime.

It is a super-2 number, since 2×201268281² = 81017841873389922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201268181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83305 + ... + 85686.

It is an arithmetic number, because the mean of its divisors is an integer number (33629408).

Almost surely, 2^201268281 is an apocalyptic number.

It is an amenable number.

201268281 is a deficient number, since it is larger than the sum of its proper divisors (67766983).

201268281 is a wasteful number, since it uses less digits than its factorization.

201268281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169391.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 201268281 is about 14186.9052650675. The cubic root of 201268281 is about 586.0371025288.

The spelling of 201268281 in words is "two hundred one million, two hundred sixty-eight thousand, two hundred eighty-one".