2542099 has 4 divisors (see below), whose sum is σ = 2905264. Its totient is φ = 2178936.

The previous prime is 2542097. The next prime is 2542103. The reversal of 2542099 is 9902452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2542099 - 2¹ = 2542097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542099.

It is not an unprimeable number, because it can be changed into a prime (2542091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181572 + ... + 181585.

It is an arithmetic number, because the mean of its divisors is an integer number (726316).

2^2542099 is an apocalyptic number.

2542099 is a deficient number, since it is larger than the sum of its proper divisors (363165).

2542099 is an equidigital number, since it uses as much as digits as its factorization.

2542099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363164.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2542099 is about 1594.3961239291. The cubic root of 2542099 is about 136.4784725451.

It can be divided in two parts, 25 and 42099, that added together give a palindrome (42124).

The spelling of 2542099 in words is "two million, five hundred forty-two thousand, ninety-nine".