2542105 has 8 divisors (see below), whose sum is σ = 3211200. Its totient is φ = 1926576.

The previous prime is 2542103. The next prime is 2542109. The reversal of 2542105 is 5012452.

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

It is a cyclic number.

It is not a de Polignac number, because 2542105 - 2¹ = 2542103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

2542105 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2542103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13285 + ... + 13474.

It is an arithmetic number, because the mean of its divisors is an integer number (401400).

2^2542105 is an apocalyptic number.

It is an amenable number.

2542105 is a deficient number, since it is larger than the sum of its proper divisors (669095).

2542105 is a wasteful number, since it uses less digits than its factorization.

2542105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26783.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2542105 is about 1594.3980055181. The cubic root of 2542105 is about 136.4785799196.

Adding to 2542105 its reverse (5012452), we get a palindrome (7554557).

The spelling of 2542105 in words is "two million, five hundred forty-two thousand, one hundred five".