2542427 has 4 divisors (see below), whose sum is σ = 2566296. Its totient is φ = 2518560.

The previous prime is 2542417. The next prime is 2542429. The reversal of 2542427 is 7242452.

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 2542427 - 2⁶ = 2542363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542396 and 2542405.

It is not an unprimeable number, because it can be changed into a prime (2542429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11774 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (641574).

2^2542427 is an apocalyptic number.

2542427 is a deficient number, since it is larger than the sum of its proper divisors (23869).

2542427 is a wasteful number, since it uses less digits than its factorization.

2542427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23868.

The product of its digits is 4480, while the sum is 26.

The square root of 2542427 is about 1594.4989808714. The cubic root of 2542427 is about 136.4843421059.

Adding to 2542427 its reverse (7242452), we get a palindrome (9784879).

The spelling of 2542427 in words is "two million, five hundred forty-two thousand, four hundred twenty-seven".