2019601 has 4 divisors (see below), whose sum is σ = 2025472. Its totient is φ = 2013732.

The previous prime is 2019599. The next prime is 2019613. The reversal of 2019601 is 1069102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2019601 - 2¹ = 2019599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2019001) 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, 2385 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (506368).

2^2019601 is an apocalyptic number.

It is an amenable number.

2019601 is a deficient number, since it is larger than the sum of its proper divisors (5871).

2019601 is an equidigital number, since it uses as much as digits as its factorization.

2019601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2019601 is about 1421.1266657128. The cubic root of 2019601 is about 126.4023628584.

The spelling of 2019601 in words is "two million, nineteen thousand, six hundred one".