2542306 has 16 divisors (see below), whose sum is σ = 4133304. Its totient is φ = 1165824.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542306 is 6032452.

It is a happy number.

2542306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1199025 + 1343281 = 1095^2 + 1159^2 .

It is a d-powerful number, because it can be written as 2 + 5⁹ + 4⁵ + 2¹⁷ + 3¹¹ + 0 + 6⁷ .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7026 + ... + 7378.

2^2542306 is an apocalyptic number.

2542306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2542306 is a deficient number, since it is larger than the sum of its proper divisors (1590998).

2542306 is a wasteful number, since it uses less digits than its factorization.

2542306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2542306 is about 1594.4610374669. The cubic root of 2542306 is about 136.4821768694.

Adding to 2542306 its reverse (6032452), we get a palindrome (8574758).

The spelling of 2542306 in words is "two million, five hundred forty-two thousand, three hundred six".