1613329 has 2 divisors, whose sum is σ = 1613330. Its totient is φ = 1613328.

The previous prime is 1613323. The next prime is 1613363. The reversal of 1613329 is 9233161.

1613329 is nontrivially palindromic in base 5.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 286225 = 1152^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613329 - 2³ = 1613321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1613321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806664 + 806665.

It is an arithmetic number, because the mean of its divisors is an integer number (806665).

2^1613329 is an apocalyptic number.

It is an amenable number.

1613329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613329 is an equidigital number, since it uses as much as digits as its factorization.

1613329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 25.

The square root of 1613329 is about 1270.1688864084. The cubic root of 1613329 is about 117.2845970617.

The spelling of 1613329 in words is "one million, six hundred thirteen thousand, three hundred twenty-nine".