633320273 has 2 divisors, whose sum is σ = 633320274. Its totient is φ = 633320272.

The previous prime is 633320257. The next prime is 633320291. The reversal of 633320273 is 372023336.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624600064 + 8720209 = 24992^2 + 2953^2 .

It is a cyclic number.

It is not a de Polignac number, because 633320273 - 2⁴ = 633320257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (633320773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316660136 + 316660137.

It is an arithmetic number, because the mean of its divisors is an integer number (316660137).

Almost surely, 2^633320273 is an apocalyptic number.

It is an amenable number.

633320273 is a deficient number, since it is larger than the sum of its proper divisors (1).

633320273 is an equidigital number, since it uses as much as digits as its factorization.

633320273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 29.

The square root of 633320273 is about 25165.8553003867. The cubic root of 633320273 is about 858.7652521221.

The spelling of 633320273 in words is "six hundred thirty-three million, three hundred twenty thousand, two hundred seventy-three".