201275505 has 12 divisors (see below), whose sum is σ = 348877620. Its totient is φ = 107346912.

The previous prime is 201275483. The next prime is 201275509. The reversal of 201275505 is 505572102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 174556944 = 5169^2 + 13212^2 .

It is not a de Polignac number, because 201275505 - 2⁷ = 201275377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201275509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2236350 + ... + 2236439.

It is an arithmetic number, because the mean of its divisors is an integer number (29073135).

Almost surely, 2^201275505 is an apocalyptic number.

It is an amenable number.

201275505 is a deficient number, since it is larger than the sum of its proper divisors (147602115).

201275505 is a wasteful number, since it uses less digits than its factorization.

201275505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472800 (or 4472797 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 201275505 is about 14187.1598637641. The cubic root of 201275505 is about 586.0441138693.

The spelling of 201275505 in words is "two hundred one million, two hundred seventy-five thousand, five hundred five".