2982521 has 2 divisors, whose sum is σ = 2982522. Its totient is φ = 2982520.

The previous prime is 2982517. The next prime is 2982527. The reversal of 2982521 is 1252892.

2982521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 1392400 = 1261^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2982521 - 2² = 2982517 is a prime.

It is not a weakly prime, because it can be changed into another prime (2982527) 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 as a sum of consecutive naturals, namely, 1491260 + 1491261.

It is an arithmetic number, because the mean of its divisors is an integer number (1491261).

2^2982521 is an apocalyptic number.

It is an amenable number.

2982521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2982521 is an equidigital number, since it uses as much as digits as its factorization.

2982521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 2982521 is about 1726.9976838433. The cubic root of 2982521 is about 143.9443103845.

The spelling of 2982521 in words is "two million, nine hundred eighty-two thousand, five hundred twenty-one".