2542538 has 8 divisors (see below), whose sum is σ = 3839520. Its totient is φ = 1262700.

The previous prime is 2542531. The next prime is 2542549. The reversal of 2542538 is 8352452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2542538.

It is not an unprimeable number, because it can be changed into a prime (2542531) 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, 3908 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (479940).

2^2542538 is an apocalyptic number.

2542538 is a deficient number, since it is larger than the sum of its proper divisors (1296982).

2542538 is a wasteful number, since it uses less digits than its factorization.

2542538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572.

The product of its digits is 9600, while the sum is 29.

The square root of 2542538 is about 1594.5337876633. The cubic root of 2542538 is about 136.4863283368.

The spelling of 2542538 in words is "two million, five hundred forty-two thousand, five hundred thirty-eight".