275001401 has 4 divisors (see below), whose sum is σ = 291177972. Its totient is φ = 258824832.

The previous prime is 275001347. The next prime is 275001413. The reversal of 275001401 is 104100572.

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 203091001 + 71910400 = 14251^2 + 8480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275001401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275001431) 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, 8088260 + ... + 8088293.

It is an arithmetic number, because the mean of its divisors is an integer number (72794493).

Almost surely, 2^275001401 is an apocalyptic number.

It is an amenable number.

275001401 is a deficient number, since it is larger than the sum of its proper divisors (16176571).

275001401 is a wasteful number, since it uses less digits than its factorization.

275001401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16176570.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 275001401 is about 16583.1661934626. The cubic root of 275001401 is about 650.2968277442.

Adding to 275001401 its reverse (104100572), we get a palindrome (379101973).

The spelling of 275001401 in words is "two hundred seventy-five million, one thousand, four hundred one".