633138067 has 2 divisors, whose sum is σ = 633138068. Its totient is φ = 633138066.

The previous prime is 633138059. The next prime is 633138097. The reversal of 633138067 is 760831336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 633138067 - 2³ = 633138059 is a prime.

It is not a weakly prime, because it can be changed into another prime (633138097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316569033 + 316569034.

It is an arithmetic number, because the mean of its divisors is an integer number (316569034).

Almost surely, 2^633138067 is an apocalyptic number.

633138067 is a deficient number, since it is larger than the sum of its proper divisors (1).

633138067 is an equidigital number, since it uses as much as digits as its factorization.

633138067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 633138067 is about 25162.2349365075. The cubic root of 633138067 is about 858.6828887449.

The spelling of 633138067 in words is "six hundred thirty-three million, one hundred thirty-eight thousand, sixty-seven".