1606313 has 8 divisors (see below), whose sum is σ = 1729800. Its totient is φ = 1486080.

The previous prime is 1606309. The next prime is 1606321. The reversal of 1606313 is 3136061.

It can be written as a sum of positive squares in 4 ways, for example, as 38809 + 1567504 = 197^2 + 1252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1606313 - 2² = 1606309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1605313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (216225).

2^1606313 is an apocalyptic number.

It is an amenable number.

1606313 is a deficient number, since it is larger than the sum of its proper divisors (123487).

1606313 is a wasteful number, since it uses less digits than its factorization.

1606313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1606313 is about 1267.4040397600. The cubic root of 1606313 is about 117.1143353552.

The spelling of 1606313 in words is "one million, six hundred six thousand, three hundred thirteen".