632923121 has 2 divisors, whose sum is σ = 632923122. Its totient is φ = 632923120.

The previous prime is 632923111. The next prime is 632923211. The reversal of 632923121 is 121329236.

Together with next prime (632923211) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 591462400 + 41460721 = 24320^2 + 6439^2 .

It is a cyclic number.

It is not a de Polignac number, because 632923121 - 2¹⁰ = 632922097 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 (632923111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316461560 + 316461561.

It is an arithmetic number, because the mean of its divisors is an integer number (316461561).

Almost surely, 2^632923121 is an apocalyptic number.

It is an amenable number.

632923121 is a deficient number, since it is larger than the sum of its proper divisors (1).

632923121 is an equidigital number, since it uses as much as digits as its factorization.

632923121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 632923121 is about 25157.9633714655. The cubic root of 632923121 is about 858.5857054434.

The spelling of 632923121 in words is "six hundred thirty-two million, nine hundred twenty-three thousand, one hundred twenty-one".