1611359 has 4 divisors (see below), whose sum is σ = 1641816. Its totient is φ = 1580904.

The previous prime is 1611353. The next prime is 1611361. The reversal of 1611359 is 9531161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1611359 - 2⁴ = 1611343 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15149 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (410454).

2^1611359 is an apocalyptic number.

1611359 is a deficient number, since it is larger than the sum of its proper divisors (30457).

1611359 is an equidigital number, since it uses as much as digits as its factorization.

1611359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30456.

The product of its digits is 810, while the sum is 26.

The square root of 1611359 is about 1269.3931621054. The cubic root of 1611359 is about 117.2368397509.

The spelling of 1611359 in words is "one million, six hundred eleven thousand, three hundred fifty-nine".