1613323 has 2 divisors, whose sum is σ = 1613324. Its totient is φ = 1613322.

The previous prime is 1613321. The next prime is 1613329. The reversal of 1613323 is 3233161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1613323 - 2¹ = 1613321 is a prime.

It is a super-2 number, since 2×1613323² = 5205622204658, which contains 22 as substring.

Together with 1613321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1613323.

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, 806661 + 806662.

It is an arithmetic number, because the mean of its divisors is an integer number (806662).

2^1613323 is an apocalyptic number.

1613323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613323 is an equidigital number, since it uses as much as digits as its factorization.

1613323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 19.

The square root of 1613323 is about 1270.1665245156. The cubic root of 1613323 is about 117.2844516670.

Adding to 1613323 its reverse (3233161), we get a palindrome (4846484).

It can be divided in two parts, 1613 and 323, that added together give a square (1936 = 44²).

The spelling of 1613323 in words is "one million, six hundred thirteen thousand, three hundred twenty-three".