2560361 has 2 divisors, whose sum is σ = 2560362. Its totient is φ = 2560360.

The previous prime is 2560357. The next prime is 2560367. The reversal of 2560361 is 1630652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 361 = 1600^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 2560361 - 2² = 2560357 is a prime.

It is not a weakly prime, because it can be changed into another prime (2560367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280180 + 1280181.

It is an arithmetic number, because the mean of its divisors is an integer number (1280181).

2^2560361 is an apocalyptic number.

It is an amenable number.

2560361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560361 is an equidigital number, since it uses as much as digits as its factorization.

2560361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2560361 is about 1600.1128085232. The cubic root of 2560361 is about 136.8045056540.

The spelling of 2560361 in words is "two million, five hundred sixty thousand, three hundred sixty-one".