2980521 has 18 divisors (see below), whose sum is σ = 4426110. Its totient is φ = 1932480.

The previous prime is 2980513. The next prime is 2980531. The reversal of 2980521 is 1250892.

It can be written as a sum of positive squares in 3 ways, for example, as 404496 + 2576025 = 636^2 + 1605^2 .

It is not a de Polignac number, because 2980521 - 2³ = 2980513 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2980531) 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 17 ways as a sum of consecutive naturals, for example, 33445 + ... + 33533.

It is an arithmetic number, because the mean of its divisors is an integer number (245895).

2^2980521 is an apocalyptic number.

It is an amenable number.

2980521 is a deficient number, since it is larger than the sum of its proper divisors (1445589).

2980521 is an equidigital number, since it uses as much as digits as its factorization.

2980521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2980521 is about 1726.4185471664. The cubic root of 2980521 is about 143.9121281025.

The spelling of 2980521 in words is "two million, nine hundred eighty thousand, five hundred twenty-one".