275580001 has 4 divisors (see below), whose sum is σ = 275650452. Its totient is φ = 275509552.

The previous prime is 275579999. The next prime is 275580031. The reversal of 275580001 is 100085572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86490000 + 189090001 = 9300^2 + 13751^2 .

It is a cyclic number.

It is not a de Polignac number, because 275580001 - 2¹ = 275579999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275580031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28990 + ... + 37303.

It is an arithmetic number, because the mean of its divisors is an integer number (68912613).

Almost surely, 2^275580001 is an apocalyptic number.

It is an amenable number.

275580001 is a deficient number, since it is larger than the sum of its proper divisors (70451).

275580001 is an equidigital number, since it uses as much as digits as its factorization.

275580001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70450.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 275580001 is about 16600.6024288277. The cubic root of 275580001 is about 650.7525807787.

The spelling of 275580001 in words is "two hundred seventy-five million, five hundred eighty thousand, one".