1942559 has 4 divisors (see below), whose sum is σ = 1948416. Its totient is φ = 1936704.

The previous prime is 1942547. The next prime is 1942571. The reversal of 1942559 is 9552491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9552491 = 13 ⋅734807.

It is an interprime number because it is at equal distance from previous prime (1942547) and next prime (1942571).

It is a cyclic number.

It is not a de Polignac number, because 1942559 - 2⁴ = 1942543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942519) 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, 2399 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (487104).

2^1942559 is an apocalyptic number.

1942559 is a deficient number, since it is larger than the sum of its proper divisors (5857).

1942559 is an equidigital number, since it uses as much as digits as its factorization.

1942559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856.

The product of its digits is 16200, while the sum is 35.

The square root of 1942559 is about 1393.7571524480. The cubic root of 1942559 is about 124.7741843038.

The spelling of 1942559 in words is "one million, nine hundred forty-two thousand, five hundred fifty-nine".