2542045 has 8 divisors (see below), whose sum is σ = 3327840. Its totient is φ = 1848720.

The previous prime is 2542037. The next prime is 2542049. The reversal of 2542045 is 5402452.

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

It is not a de Polignac number, because 2542045 - 2³ = 2542037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23055 + ... + 23164.

It is an arithmetic number, because the mean of its divisors is an integer number (415980).

2^2542045 is an apocalyptic number.

It is an amenable number.

2542045 is a deficient number, since it is larger than the sum of its proper divisors (785795).

2542045 is a wasteful number, since it uses less digits than its factorization.

2542045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46235.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2542045 is about 1594.3791895280. The cubic root of 2542045 is about 136.4775061666.

Adding to 2542045 its reverse (5402452), we get a palindrome (7944497).

The spelling of 2542045 in words is "two million, five hundred forty-two thousand, forty-five".