11283457 has 4 divisors (see below), whose sum is σ = 11365956. Its totient is φ = 11200960.

The previous prime is 11283451. The next prime is 11283463. The reversal of 11283457 is 75438211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75438211 = 43 ⋅1754377.

It is an interprime number because it is at equal distance from previous prime (11283451) and next prime (11283463).

It can be written as a sum of positive squares in 2 ways, for example, as 6548481 + 4734976 = 2559^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 11283457 - 2¹¹ = 11281409 is a prime.

It is a super-3 number, since 3×11283457³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) 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 (11283451) 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, 41044 + ... + 41317.

It is an arithmetic number, because the mean of its divisors is an integer number (2841489).

Almost surely, 2^11283457 is an apocalyptic number.

It is an amenable number.

11283457 is a deficient number, since it is larger than the sum of its proper divisors (82499).

11283457 is an equidigital number, since it uses as much as digits as its factorization.

11283457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82498.

The product of its digits is 6720, while the sum is 31.

The square root of 11283457 is about 3359.0857387093. The cubic root of 11283457 is about 224.2921424701.

The spelling of 11283457 in words is "eleven million, two hundred eighty-three thousand, four hundred fifty-seven".