2629021 has 2 divisors, whose sum is σ = 2629022. Its totient is φ = 2629020.

The previous prime is 2629009. The next prime is 2629031. The reversal of 2629021 is 1209262.

It is a happy number.

2629021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 24025 = 1614^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2629021 - 2¹¹ = 2626973 is a prime.

It is a Chen prime.

It is equal to p₁₉₁₈₁₂ and since 2629021 and 191812 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2628983 and 2629001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2629001) 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, 1314510 + 1314511.

It is an arithmetic number, because the mean of its divisors is an integer number (1314511).

2^2629021 is an apocalyptic number.

It is an amenable number.

2629021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2629021 is an equidigital number, since it uses as much as digits as its factorization.

2629021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2629021 is about 1621.4256072975. The cubic root of 2629021 is about 138.0166086570.

The spelling of 2629021 in words is "two million, six hundred twenty-nine thousand, twenty-one".