1613441 has 2 divisors, whose sum is σ = 1613442. Its totient is φ = 1613440.

The previous prime is 1613413. The next prime is 1613471. The reversal of 1613441 is 1443161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1575025 + 38416 = 1255^2 + 196^2 .

It is an emirp because it is prime and its reverse (1443161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1613441 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1613411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806720 + 806721.

It is an arithmetic number, because the mean of its divisors is an integer number (806721).

2^1613441 is an apocalyptic number.

It is an amenable number.

1613441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613441 is an equidigital number, since it uses as much as digits as its factorization.

1613441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 1613441 is about 1270.2129742685. The cubic root of 1613441 is about 117.2873110299.

The spelling of 1613441 in words is "one million, six hundred thirteen thousand, four hundred forty-one".