11273285 has 4 divisors (see below), whose sum is σ = 13527948. Its totient is φ = 9018624.

The previous prime is 11273281. The next prime is 11273287. The reversal of 11273285 is 58237211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58237211 = 107 ⋅544273.

It can be written as a sum of positive squares in 2 ways, for example, as 8196769 + 3076516 = 2863^2 + 1754^2 .

It is a cyclic number.

It is not a de Polignac number, because 11273285 - 2² = 11273281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273281) 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, 1127324 + ... + 1127333.

It is an arithmetic number, because the mean of its divisors is an integer number (3381987).

Almost surely, 2^11273285 is an apocalyptic number.

It is an amenable number.

11273285 is a deficient number, since it is larger than the sum of its proper divisors (2254663).

11273285 is an equidigital number, since it uses as much as digits as its factorization.

11273285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254662.

The product of its digits is 3360, while the sum is 29.

The square root of 11273285 is about 3357.5712948499. The cubic root of 11273285 is about 224.2247226594.

The spelling of 11273285 in words is "eleven million, two hundred seventy-three thousand, two hundred eighty-five".