2620441 has 2 divisors, whose sum is σ = 2620442. Its totient is φ = 2620440.

The previous prime is 2620439. The next prime is 2620477. The reversal of 2620441 is 1440262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 646416 = 1405^2 + 804^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620441 - 2¹ = 2620439 is a prime.

It is a super-3 number, since 3×2620441³ = 53981433389719278363, which contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2620439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2620421) 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 as a sum of consecutive naturals, namely, 1310220 + 1310221.

It is an arithmetic number, because the mean of its divisors is an integer number (1310221).

2^2620441 is an apocalyptic number.

It is an amenable number.

2620441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620441 is an equidigital number, since it uses as much as digits as its factorization.

2620441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2620441 is about 1618.7776252469. Note that the first 3 decimals coincide. The cubic root of 2620441 is about 137.8663026351.

The spelling of 2620441 in words is "two million, six hundred twenty thousand, four hundred forty-one".