1097599 has 2 divisors, whose sum is σ = 1097600. Its totient is φ = 1097598.

The previous prime is 1097557. The next prime is 1097627. The reversal of 1097599 is 9957901.

It is a strong prime.

It is an emirp because it is prime and its reverse (9957901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1097599 - 2¹¹ = 1095551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548799 + 548800.

It is an arithmetic number, because the mean of its divisors is an integer number (548800).

2^1097599 is an apocalyptic number.

1097599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097599 is an equidigital number, since it uses as much as digits as its factorization.

1097599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 1097599 is about 1047.6635910444. The cubic root of 1097599 is about 103.1528506351.

The spelling of 1097599 in words is "one million, ninety-seven thousand, five hundred ninety-nine".