2565701 has 2 divisors, whose sum is σ = 2565702. Its totient is φ = 2565700.

The previous prime is 2565679. The next prime is 2565709. The reversal of 2565701 is 1075652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2563201 + 2500 = 1601^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 2565701 - 2¹⁴ = 2549317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282850 + 1282851.

It is an arithmetic number, because the mean of its divisors is an integer number (1282851).

2^2565701 is an apocalyptic number.

It is an amenable number.

2565701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565701 is an equidigital number, since it uses as much as digits as its factorization.

2565701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2565701 is about 1601.7805717388. The cubic root of 2565701 is about 136.8995480807.

The spelling of 2565701 in words is "two million, five hundred sixty-five thousand, seven hundred one".