2402539 has 8 divisors (see below), whose sum is σ = 2502720. Its totient is φ = 2304456.

The previous prime is 2402537. The next prime is 2402549. The reversal of 2402539 is 9352042.

It is a happy number.

2402539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2402539 - 2¹ = 2402537 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2402537) 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 7 ways as a sum of consecutive naturals, for example, 2064 + ... + 3010.

It is an arithmetic number, because the mean of its divisors is an integer number (312840).

2^2402539 is an apocalyptic number.

2402539 is a deficient number, since it is larger than the sum of its proper divisors (100181).

2402539 is an equidigital number, since it uses as much as digits as its factorization.

2402539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2402539 is about 1550.0125805941. The cubic root of 2402539 is about 133.9337869952.

The spelling of 2402539 in words is "two million, four hundred two thousand, five hundred thirty-nine".