275225401 has 4 divisors (see below), whose sum is σ = 300245904. Its totient is φ = 250204900.

The previous prime is 275225329. The next prime is 275225407. The reversal of 275225401 is 104522572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 275225401 - 2⁷ = 275225273 is a prime.

It is a super-3 number, since 3×275225401³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 275225401.

It is not an unprimeable number, because it can be changed into a prime (275225407) 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, 12510235 + ... + 12510256.

It is an arithmetic number, because the mean of its divisors is an integer number (75061476).

Almost surely, 2^275225401 is an apocalyptic number.

It is an amenable number.

275225401 is a deficient number, since it is larger than the sum of its proper divisors (25020503).

275225401 is a wasteful number, since it uses less digits than its factorization.

275225401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25020502.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 275225401 is about 16589.9186556173. The cubic root of 275225401 is about 650.4733443684.

Adding to 275225401 its reverse (104522572), we get a palindrome (379747973).

It can be divided in two parts, 27522 and 5401, that added together give a palindrome (32923).

The spelling of 275225401 in words is "two hundred seventy-five million, two hundred twenty-five thousand, four hundred one".