1597441 has 2 divisors, whose sum is σ = 1597442. Its totient is φ = 1597440.

The previous prime is 1597433. The next prime is 1597447. The reversal of 1597441 is 1447951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 484416 = 1055^2 + 696^2 .

It is an emirp because it is prime and its reverse (1447951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1597441 - 2³ = 1597433 is a prime.

1597441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1597447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798720 + 798721.

It is an arithmetic number, because the mean of its divisors is an integer number (798721).

It is a Proth number, since it is equal to 195 ⋅ 2¹³ + 1 and 195 < 2¹³.

2^1597441 is an apocalyptic number.

It is an amenable number.

1597441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1597441 is an equidigital number, since it uses as much as digits as its factorization.

1597441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 1597441 is about 1263.8991257217. The cubic root of 1597441 is about 116.8983215778.

The spelling of 1597441 in words is "one million, five hundred ninety-seven thousand, four hundred forty-one".