1611097 has 2 divisors, whose sum is σ = 1611098. Its totient is φ = 1611096.

The previous prime is 1611089. The next prime is 1611131. The reversal of 1611097 is 7901161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817216 + 793881 = 904^2 + 891^2 .

It is an emirp because it is prime and its reverse (7901161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1611097 - 2³ = 1611089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1611397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805548 + 805549.

It is an arithmetic number, because the mean of its divisors is an integer number (805549).

2^1611097 is an apocalyptic number.

It is an amenable number.

1611097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611097 is an equidigital number, since it uses as much as digits as its factorization.

1611097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1611097 is about 1269.2899589928. The cubic root of 1611097 is about 117.2304853388.

Subtracting 1611097 from its reverse (7901161), we obtain a square (6290064 = 2508²).

The spelling of 1611097 in words is "one million, six hundred eleven thousand, ninety-seven".