635449 has 2 divisors, whose sum is σ = 635450. Its totient is φ = 635448.

The previous prime is 635441. The next prime is 635461. The reversal of 635449 is 944536.

635449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446224 + 189225 = 668^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 635449 - 2³ = 635441 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 635449.

It is not a weakly prime, because it can be changed into another prime (635441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317724 + 317725.

It is an arithmetic number, because the mean of its divisors is an integer number (317725).

2⁶³⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

635449 is a deficient number, since it is larger than the sum of its proper divisors (1).

635449 is an equidigital number, since it uses as much as digits as its factorization.

635449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 635449 is about 797.1505503981. The cubic root of 635449 is about 85.9726341629.

The spelling of 635449 in words is "six hundred thirty-five thousand, four hundred forty-nine".