633449 has 2 divisors, whose sum is σ = 633450. Its totient is φ = 633448.

The previous prime is 633427. The next prime is 633461. The reversal of 633449 is 944336.

It is a happy number.

633449 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., 547600 + 85849 = 740^2 + 293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633449 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (633469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316724 + 316725.

It is an arithmetic number, because the mean of its divisors is an integer number (316725).

2⁶³³⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

633449 is a deficient number, since it is larger than the sum of its proper divisors (1).

633449 is an equidigital number, since it uses as much as digits as its factorization.

633449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 633449 is about 795.8950935896. The cubic root of 633449 is about 85.8823431630.

The spelling of 633449 in words is "six hundred thirty-three thousand, four hundred forty-nine".