2565335701 has 2 divisors, whose sum is σ = 2565335702. Its totient is φ = 2565335700.

The previous prime is 2565335699. The next prime is 2565335723. The reversal of 2565335701 is 1075335652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2417688900 + 147646801 = 49170^2 + 12151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2565335701 - 2¹ = 2565335699 is a prime.

It is a super-2 number, since 2×2565335701² = 13161894517650322802, which contains 22 as substring.

Together with 2565335699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565335761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282667850 + 1282667851.

It is an arithmetic number, because the mean of its divisors is an integer number (1282667851).

Almost surely, 2^2565335701 is an apocalyptic number.

It is an amenable number.

2565335701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565335701 is an equidigital number, since it uses as much as digits as its factorization.

2565335701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 2565335701 is about 50649.1431418144. The cubic root of 2565335701 is about 1368.9305061778.

The spelling of 2565335701 in words is "two billion, five hundred sixty-five million, three hundred thirty-five thousand, seven hundred one".