2521039 has 2 divisors, whose sum is σ = 2521040. Its totient is φ = 2521038.

The previous prime is 2521037. The next prime is 2521063. The reversal of 2521039 is 9301252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2521039 - 2¹ = 2521037 is a prime.

Together with 2521037, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260519 + 1260520.

It is an arithmetic number, because the mean of its divisors is an integer number (1260520).

2^2521039 is an apocalyptic number.

2521039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521039 is an equidigital number, since it uses as much as digits as its factorization.

2521039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2521039 is about 1587.7780071534. The cubic root of 2521039 is about 136.1005420025.

The spelling of 2521039 in words is "two million, five hundred twenty-one thousand, thirty-nine".