2650789 has 2 divisors, whose sum is σ = 2650790. Its totient is φ = 2650788.

The previous prime is 2650787. The next prime is 2650799. The reversal of 2650789 is 9870562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2614689 + 36100 = 1617^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650789 - 2¹ = 2650787 is a prime.

Together with 2650787, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 5⁵ + 0 + 7⁵ + 8⁷ + 9⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2650783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325394 + 1325395.

It is an arithmetic number, because the mean of its divisors is an integer number (1325395).

2^2650789 is an apocalyptic number.

It is an amenable number.

2650789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650789 is an equidigital number, since it uses as much as digits as its factorization.

2650789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2650789 is about 1628.1243809980. The cubic root of 2650789 is about 138.3964828369.

The spelling of 2650789 in words is "two million, six hundred fifty thousand, seven hundred eighty-nine".