4262561 has 2 divisors, whose sum is σ = 4262562. Its totient is φ = 4262560.

The previous prime is 4262551. The next prime is 4262581. The reversal of 4262561 is 1652624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3041536 + 1221025 = 1744^2 + 1105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4262561 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4262561.

It is not a weakly prime, because it can be changed into another prime (4262551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131280 + 2131281.

It is an arithmetic number, because the mean of its divisors is an integer number (2131281).

Almost surely, 2^4262561 is an apocalyptic number.

It is an amenable number.

4262561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4262561 is an equidigital number, since it uses as much as digits as its factorization.

4262561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 4262561 is about 2064.5970551175. The cubic root of 4262561 is about 162.1400125736.

The spelling of 4262561 in words is "four million, two hundred sixty-two thousand, five hundred sixty-one".