2762561 has 2 divisors, whose sum is σ = 2762562. Its totient is φ = 2762560.

The previous prime is 2762549. The next prime is 2762567. The reversal of 2762561 is 1652672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2660161 + 102400 = 1631^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2762561 - 2⁶ = 2762497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2762567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1381280 + 1381281.

It is an arithmetic number, because the mean of its divisors is an integer number (1381281).

2^2762561 is an apocalyptic number.

It is an amenable number.

2762561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2762561 is an equidigital number, since it uses as much as digits as its factorization.

2762561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 2762561 is about 1662.0953642917. The cubic root of 2762561 is about 140.3149541901.

The spelling of 2762561 in words is "two million, seven hundred sixty-two thousand, five hundred sixty-one".