3635256241 has 2 divisors, whose sum is σ = 3635256242. Its totient is φ = 3635256240.

The previous prime is 3635256239. The next prime is 3635256269. The reversal of 3635256241 is 1426525363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3248544016 + 386712225 = 56996^2 + 19665^2 .

It is a cyclic number.

It is not a de Polignac number, because 3635256241 - 2¹ = 3635256239 is a prime.

Together with 3635256239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3635256241.

It is not a weakly prime, because it can be changed into another prime (3635256281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1817628120 + 1817628121.

It is an arithmetic number, because the mean of its divisors is an integer number (1817628121).

Almost surely, 2^3635256241 is an apocalyptic number.

It is an amenable number.

3635256241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3635256241 is an equidigital number, since it uses as much as digits as its factorization.

3635256241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 37.

The square root of 3635256241 is about 60293.0861790969. The cubic root of 3635256241 is about 1537.6058036868.

The spelling of 3635256241 in words is "three billion, six hundred thirty-five million, two hundred fifty-six thousand, two hundred forty-one".