1097513 has 2 divisors, whose sum is σ = 1097514. Its totient is φ = 1097512.

The previous prime is 1097501. The next prime is 1097533. The reversal of 1097513 is 3157901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896809 + 200704 = 947^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097513 - 2¹⁰ = 1096489 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1097533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548756 + 548757.

It is an arithmetic number, because the mean of its divisors is an integer number (548757).

2^1097513 is an apocalyptic number.

It is an amenable number.

1097513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097513 is an equidigital number, since it uses as much as digits as its factorization.

1097513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1097513 is about 1047.6225465310. The cubic root of 1097513 is about 103.1501564585.

The spelling of 1097513 in words is "one million, ninety-seven thousand, five hundred thirteen".