2539331 has 4 divisors (see below), whose sum is σ = 2673000. Its totient is φ = 2405664.

The previous prime is 2539321. The next prime is 2539337. The reversal of 2539331 is 1339352.

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 2539331 - 2⁶ = 2539267 is a prime.

It is a super-2 number, since 2×2539331² = 12896403855122, which contains 22 as substring.

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 2539331.

It is not an unprimeable number, because it can be changed into a prime (2539337) 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 3 ways as a sum of consecutive naturals, for example, 66806 + ... + 66843.

It is an arithmetic number, because the mean of its divisors is an integer number (668250).

2^2539331 is an apocalyptic number.

2539331 is a deficient number, since it is larger than the sum of its proper divisors (133669).

2539331 is a wasteful number, since it uses less digits than its factorization.

2539331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133668.

The product of its digits is 2430, while the sum is 26.

The square root of 2539331 is about 1593.5278472622. The cubic root of 2539331 is about 136.4289190581.

The spelling of 2539331 in words is "two million, five hundred thirty-nine thousand, three hundred thirty-one".