1613000 has 32 divisors (see below), whose sum is σ = 3776760. Its totient is φ = 644800.

The previous prime is 1612999. The next prime is 1613033. The reversal of 1613000 is 3161.

It can be written as a sum of positive squares in 4 ways, for example, as 568516 + 1044484 = 754^2 + 1022^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 1806.

2^1613000 is an apocalyptic number.

1613000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888380).

1613000 is an abundant number, since it is smaller than the sum of its proper divisors (2163760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613000 is a wasteful number, since it uses less digits than its factorization.

1613000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1613000 is about 1270.0393694685. The cubic root of 1613000 is about 117.2766240536.

Adding to 1613000 its reverse (3161), we get a palindrome (1616161).

The spelling of 1613000 in words is "one million, six hundred thirteen thousand".