635485481 has 2 divisors, whose sum is σ = 635485482. Its totient is φ = 635485480.

The previous prime is 635485441. The next prime is 635485489. The reversal of 635485481 is 184584536.

635485481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405659881 + 229825600 = 20141^2 + 15160^2 .

It is a cyclic number.

It is not a de Polignac number, because 635485481 - 2¹⁴ = 635469097 is a prime.

It is a super-2 number, since 2×635485481² = 807683593123602722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (635485489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317742740 + 317742741.

It is an arithmetic number, because the mean of its divisors is an integer number (317742741).

Almost surely, 2^635485481 is an apocalyptic number.

It is an amenable number.

635485481 is a deficient number, since it is larger than the sum of its proper divisors (1).

635485481 is an equidigital number, since it uses as much as digits as its factorization.

635485481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 44.

The square root of 635485481 is about 25208.8373591485. The cubic root of 635485481 is about 859.7427935536.

The spelling of 635485481 in words is "six hundred thirty-five million, four hundred eighty-five thousand, four hundred eighty-one".