1100513 has 2 divisors, whose sum is σ = 1100514. Its totient is φ = 1100512.

The previous prime is 1100509. The next prime is 1100543. The reversal of 1100513 is 3150011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 2209 = 1048^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100513 - 2² = 1100509 is a prime.

It is a super-2 number, since 2×1100513² = 2422257726338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100494 and 1100503.

It is not a weakly prime, because it can be changed into another prime (1100503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550256 + 550257.

It is an arithmetic number, because the mean of its divisors is an integer number (550257).

2^1100513 is an apocalyptic number.

It is an amenable number.

1100513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100513 is an equidigital number, since it uses as much as digits as its factorization.

1100513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1100513 is about 1049.0533828171. The cubic root of 1100513 is about 103.2440563153.

Adding to 1100513 its reverse (3150011), we get a palindrome (4250524).

The spelling of 1100513 in words is "one million, one hundred thousand, five hundred thirteen".