633461 has 2 divisors, whose sum is σ = 633462. Its totient is φ = 633460.

The previous prime is 633449. The next prime is 633463. The reversal of 633461 is 164336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630436 + 3025 = 794^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 633461 - 2¹⁴ = 617077 is a prime.

Together with 633463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316730 + 316731.

It is an arithmetic number, because the mean of its divisors is an integer number (316731).

2⁶³³⁴⁶¹ is an apocalyptic number.

It is an amenable number.

633461 is a deficient number, since it is larger than the sum of its proper divisors (1).

633461 is an equidigital number, since it uses as much as digits as its factorization.

633461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 633461 is about 795.9026322359. The cubic root of 633461 is about 85.8828854753.

Adding to 633461 its reverse (164336), we get a palindrome (797797).

The spelling of 633461 in words is "six hundred thirty-three thousand, four hundred sixty-one".