2542388 has 12 divisors (see below), whose sum is σ = 4463172. Its totient is φ = 1267200.

The previous prime is 2542363. The next prime is 2542391. The reversal of 2542388 is 8832452.

2542388 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 2 ways, for example, as 2274064 + 268324 = 1508^2 + 518^2 .

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁸ + 4⁴ + 2¹⁹ + 3¹³ + 8² + 8² .

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 3 ways as a sum of consecutive naturals, for example, 788 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (371931).

2^2542388 is an apocalyptic number.

It is an amenable number.

2542388 is a deficient number, since it is larger than the sum of its proper divisors (1920784).

2542388 is a wasteful number, since it uses less digits than its factorization.

2542388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 2542388 is about 1594.4867512777. The cubic root of 2542388 is about 136.4836442272.

Subtracting 2542388 from its reverse (8832452), we obtain a square (6290064 = 2508²).

The spelling of 2542388 in words is "two million, five hundred forty-two thousand, three hundred eighty-eight".