2542019 has 4 divisors (see below), whose sum is σ = 2555520. Its totient is φ = 2528520.

The previous prime is 2542009. The next prime is 2542021. The reversal of 2542019 is 9102452.

2542019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2542019 - 2¹² = 2537923 is a prime.

It is a super-2 number, since 2×2542019² = 12923721192722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2541985 and 2542003.

It is not an unprimeable number, because it can be changed into a prime (2542009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6464 + ... + 6845.

It is an arithmetic number, because the mean of its divisors is an integer number (638880).

2^2542019 is an apocalyptic number.

2542019 is a deficient number, since it is larger than the sum of its proper divisors (13501).

2542019 is a wasteful number, since it uses less digits than its factorization.

2542019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13500.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2542019 is about 1594.3710358634. The cubic root of 2542019 is about 136.4770408683.

The spelling of 2542019 in words is "two million, five hundred forty-two thousand, nineteen".