1613443 has 6 divisors (see below), whose sum is σ = 1747284. Its totient is φ = 1489176.

The previous prime is 1613441. The next prime is 1613471. The reversal of 1613443 is 3443161.

It is not a de Polignac number, because 1613443 - 2¹ = 1613441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4605 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (291214).

2^1613443 is an apocalyptic number.

1613443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1613443 is a deficient number, since it is larger than the sum of its proper divisors (133841).

1613443 is an equidigital number, since it uses as much as digits as its factorization.

1613443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573 (or 9560 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1613443 is about 1270.2137615378. The cubic root of 1613443 is about 117.2873594925.

The spelling of 1613443 in words is "one million, six hundred thirteen thousand, four hundred forty-three".