2061623 has 2 divisors, whose sum is σ = 2061624. Its totient is φ = 2061622.

The previous prime is 2061613. The next prime is 2061629. The reversal of 2061623 is 3261602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2061623 - 2¹⁰ = 2060599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2061595 and 2061604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030811 + 1030812.

It is an arithmetic number, because the mean of its divisors is an integer number (1030812).

2^2061623 is an apocalyptic number.

2061623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061623 is an equidigital number, since it uses as much as digits as its factorization.

2061623 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 20.

The square root of 2061623 is about 1435.8352969613. The cubic root of 2061623 is about 127.2730397797.

It can be divided in two parts, 2061 and 623, that multiplied together give a triangular number (1284003 = T₁₆₀₂).

The spelling of 2061623 in words is "two million, sixty-one thousand, six hundred twenty-three".