1146553 has 4 divisors (see below), whose sum is σ = 1155060. Its totient is φ = 1138048.

The previous prime is 1146539. The next prime is 1146559. The reversal of 1146553 is 3556411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3556411 = 193 ⋅18427.

It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 393129 = 868^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146553 - 2⁵ = 1146521 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1146559) 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, 4048 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (288765).

2^1146553 is an apocalyptic number.

It is an amenable number.

1146553 is a deficient number, since it is larger than the sum of its proper divisors (8507).

1146553 is an equidigital number, since it uses as much as digits as its factorization.

1146553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506.

The product of its digits is 1800, while the sum is 25.

The square root of 1146553 is about 1070.7721513002. The cubic root of 1146553 is about 104.6641727040.

It can be divided in two parts, 11 and 46553, that added together give a palindrome (46564).

The spelling of 1146553 in words is "one million, one hundred forty-six thousand, five hundred fifty-three".