2627021 has 2 divisors, whose sum is σ = 2627022. Its totient is φ = 2627020.

The previous prime is 2626973. The next prime is 2627041. The reversal of 2627021 is 1207262.

It is an a-pointer prime, because the next prime (2627041) can be obtained adding 2627021 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 346921 = 1510^2 + 589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2627021 - 2¹⁸ = 2364877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2626984 and 2627002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2627041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313510 + 1313511.

It is an arithmetic number, because the mean of its divisors is an integer number (1313511).

2^2627021 is an apocalyptic number.

It is an amenable number.

2627021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2627021 is an equidigital number, since it uses as much as digits as its factorization.

2627021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2627021 is about 1620.8087487424. The cubic root of 2627021 is about 137.9816015520.

The spelling of 2627021 in words is "two million, six hundred twenty-seven thousand, twenty-one".