2447542 has 16 divisors (see below), whose sum is σ = 3999600. Its totient is φ = 1118880.

The previous prime is 2447539. The next prime is 2447551. The reversal of 2447542 is 2457442.

It is a happy number.

2447542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2447542.

It is a congruent number.

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, 9 + ... + 2212.

It is an arithmetic number, because the mean of its divisors is an integer number (249975).

2^2447542 is an apocalyptic number.

2447542 is a deficient number, since it is larger than the sum of its proper divisors (1552058).

2447542 is a wasteful number, since it uses less digits than its factorization.

2447542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its digits is 8960, while the sum is 28.

The square root of 2447542 is about 1564.4622079168. The cubic root of 2447542 is about 134.7648765132.

The spelling of 2447542 in words is "two million, four hundred forty-seven thousand, five hundred forty-two".