11251273 has 4 divisors (see below), whose sum is σ = 12274128. Its totient is φ = 10228420.

The previous prime is 11251213. The next prime is 11251277. The reversal of 11251273 is 37215211.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 11251273 - 2⁹ = 11250761 is a prime.

It is a super-2 number, since 2×11251273² = 253182288241058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11251277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511411 + ... + 511432.

It is an arithmetic number, because the mean of its divisors is an integer number (3068532).

Almost surely, 2^11251273 is an apocalyptic number.

It is an amenable number.

11251273 is a deficient number, since it is larger than the sum of its proper divisors (1022855).

11251273 is a wasteful number, since it uses less digits than its factorization.

11251273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022854.

The product of its digits is 420, while the sum is 22.

The square root of 11251273 is about 3354.2917285174. The cubic root of 11251273 is about 224.0786886065.

Adding to 11251273 its reverse (37215211), we get a palindrome (48466484).

The spelling of 11251273 in words is "eleven million, two hundred fifty-one thousand, two hundred seventy-three".