2944561 has 2 divisors, whose sum is σ = 2944562. Its totient is φ = 2944560.

The previous prime is 2944547. The next prime is 2944577. The reversal of 2944561 is 1654492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 913936 = 1425^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2944561 - 2⁷ = 2944433 is a prime.

2944561 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2944061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472280 + 1472281.

It is an arithmetic number, because the mean of its divisors is an integer number (1472281).

2^2944561 is an apocalyptic number.

It is an amenable number.

2944561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2944561 is an equidigital number, since it uses as much as digits as its factorization.

2944561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 2944561 is about 1715.9723191241. The cubic root of 2944561 is about 143.3310179303.

The spelling of 2944561 in words is "two million, nine hundred forty-four thousand, five hundred sixty-one".