2945807 has 2 divisors, whose sum is σ = 2945808. Its totient is φ = 2945806.

The previous prime is 2945773. The next prime is 2945851. The reversal of 2945807 is 7085492.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2945807 - 2¹² = 2941711 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 9⁵ + 4⁹ + 5⁵ + 8⁷ + 0 + 7² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2945857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472903 + 1472904.

It is an arithmetic number, because the mean of its divisors is an integer number (1472904).

2^2945807 is an apocalyptic number.

2945807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945807 is an equidigital number, since it uses as much as digits as its factorization.

2945807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2945807 is about 1716.3353401943. The cubic root of 2945807 is about 143.3512320656.

The spelling of 2945807 in words is "two million, nine hundred forty-five thousand, eight hundred seven".