1135663 has 2 divisors, whose sum is σ = 1135664. Its totient is φ = 1135662.

The previous prime is 1135657. The next prime is 1135699. The reversal of 1135663 is 3665311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567831 + 567832.

It is an arithmetic number, because the mean of its divisors is an integer number (567832).

2^1135663 is an apocalyptic number.

1135663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135663 is an equidigital number, since it uses as much as digits as its factorization.

1135663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 1135663 is about 1065.6749035236. The cubic root of 1135663 is about 104.3317500420.

It can be divided in two parts, 113566 and 3, that added together give a square (113569 = 337²).

The spelling of 1135663 in words is "one million, one hundred thirty-five thousand, six hundred sixty-three".