1117553 has 2 divisors, whose sum is σ = 1117554. Its totient is φ = 1117552.

The previous prime is 1117549. The next prime is 1117579. The reversal of 1117553 is 3557111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 565504 + 552049 = 752^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117553 - 2² = 1117549 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558776 + 558777.

It is an arithmetic number, because the mean of its divisors is an integer number (558777).

2^1117553 is an apocalyptic number.

It is an amenable number.

1117553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117553 is an equidigital number, since it uses as much as digits as its factorization.

1117553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 525, while the sum is 23.

The square root of 1117553 is about 1057.1437934359. The cubic root of 1117553 is about 103.7741957407.

The spelling of 1117553 in words is "one million, one hundred seventeen thousand, five hundred fifty-three".