2019057 has 4 divisors (see below), whose sum is σ = 2692080. Its totient is φ = 1346036.

The previous prime is 2019047. The next prime is 2019071. The reversal of 2019057 is 7509102.

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 2019057 - 2⁴ = 2019041 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2019037) 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, 336507 + ... + 336512.

It is an arithmetic number, because the mean of its divisors is an integer number (673020).

2^2019057 is an apocalyptic number.

It is an amenable number.

2019057 is a deficient number, since it is larger than the sum of its proper divisors (673023).

2019057 is an equidigital number, since it uses as much as digits as its factorization.

2019057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673022.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 2019057 is about 1420.9352553864. The cubic root of 2019057 is about 126.3910125867.

The spelling of 2019057 in words is "two million, nineteen thousand, fifty-seven".