2542506 has 8 divisors (see below), whose sum is σ = 5085024. Its totient is φ = 847500.

The previous prime is 2542483. The next prime is 2542511. The reversal of 2542506 is 6052452.

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

2542506 is an admirable number.

It is a d-powerful number, because it can be written as 2¹¹ + 5 + 4⁷ + 2¹⁹ + 5⁹ + 0 + 6⁶ .

It is a Curzon number.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211870 + ... + 211881.

It is an arithmetic number, because the mean of its divisors is an integer number (635628).

2^2542506 is an apocalyptic number.

2542506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2542506 is a wasteful number, since it uses less digits than its factorization.

2542506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423756.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2542506 is about 1594.5237533508. The cubic root of 2542506 is about 136.4857557356.

Adding to 2542506 its reverse (6052452), we get a palindrome (8594958).

The spelling of 2542506 in words is "two million, five hundred forty-two thousand, five hundred six".