2542693 has 4 divisors (see below), whose sum is σ = 2546028. Its totient is φ = 2539360.

The previous prime is 2542681. The next prime is 2542699. The reversal of 2542693 is 3962452.

2542693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 1292769 = 1118^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542693 - 2¹³ = 2534501 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁹ + 4⁶ + 2¹⁹ + 6 + 9² + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542699) by changing a digit.

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, 105 + ... + 2257.

It is an arithmetic number, because the mean of its divisors is an integer number (636507).

2^2542693 is an apocalyptic number.

It is an amenable number.

2542693 is a deficient number, since it is larger than the sum of its proper divisors (3335).

2542693 is a wasteful number, since it uses less digits than its factorization.

2542693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334.

The product of its digits is 12960, while the sum is 31.

The square root of 2542693 is about 1594.5823904709. The cubic root of 2542693 is about 136.4891018058.

The spelling of 2542693 in words is "two million, five hundred forty-two thousand, six hundred ninety-three".