2061629 has 2 divisors, whose sum is σ = 2061630. Its totient is φ = 2061628.

The previous prime is 2061623. The next prime is 2061649. The reversal of 2061629 is 9261602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 597529 = 1210^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061629 - 2⁴ = 2061613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2061598 and 2061607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030814 + 1030815.

It is an arithmetic number, because the mean of its divisors is an integer number (1030815).

2^2061629 is an apocalyptic number.

It is an amenable number.

2061629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061629 is an equidigital number, since it uses as much as digits as its factorization.

2061629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2061629 is about 1435.8373863359. The cubic root of 2061629 is about 127.2731632484.

The spelling of 2061629 in words is "two million, sixty-one thousand, six hundred twenty-nine".