275528001 has 16 divisors (see below), whose sum is σ = 420147200. Its totient is φ = 157333968.

The previous prime is 275527999. The next prime is 275528003. The reversal of 275528001 is 100825572.

It is an interprime number because it is at equal distance from previous prime (275527999) and next prime (275528003).

It is not a de Polignac number, because 275528001 - 2¹ = 275527999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275528001.

It is not an unprimeable number, because it can be changed into a prime (275528003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33210 + ... + 40668.

It is an arithmetic number, because the mean of its divisors is an integer number (26259200).

Almost surely, 2^275528001 is an apocalyptic number.

275528001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

275528001 is a deficient number, since it is larger than the sum of its proper divisors (144619199).

275528001 is a wasteful number, since it uses less digits than its factorization.

275528001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 275528001 is about 16599.0361467165. The cubic root of 275528001 is about 650.7116473985.

It can be divided in two parts, 27552 and 8001, that added together give a palindrome (35553).

The spelling of 275528001 in words is "two hundred seventy-five million, five hundred twenty-eight thousand, one".