1163453 has 4 divisors (see below), whose sum is σ = 1182588. Its totient is φ = 1144320.

The previous prime is 1163441. The next prime is 1163467. The reversal of 1163453 is 3543611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24964 + 1138489 = 158^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163453 - 2¹⁸ = 901309 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 (1163423) 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, 9476 + ... + 9597.

It is an arithmetic number, because the mean of its divisors is an integer number (295647).

2^1163453 is an apocalyptic number.

It is an amenable number.

1163453 is a deficient number, since it is larger than the sum of its proper divisors (19135).

1163453 is an equidigital number, since it uses as much as digits as its factorization.

1163453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19134.

The product of its digits is 1080, while the sum is 23.

The square root of 1163453 is about 1078.6347852726. The cubic root of 1163453 is about 105.1759107185.

The spelling of 1163453 in words is "one million, one hundred sixty-three thousand, four hundred fifty-three".