632121233 has 2 divisors, whose sum is σ = 632121234. Its totient is φ = 632121232.

The previous prime is 632121187. The next prime is 632121247. The reversal of 632121233 is 332121236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623401024 + 8720209 = 24968^2 + 2953^2 .

It is a cyclic number.

It is not a de Polignac number, because 632121233 - 2⁶ = 632121169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632121199 and 632121208.

It is not a weakly prime, because it can be changed into another prime (632121253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316060616 + 316060617.

It is an arithmetic number, because the mean of its divisors is an integer number (316060617).

Almost surely, 2^632121233 is an apocalyptic number.

It is an amenable number.

632121233 is a deficient number, since it is larger than the sum of its proper divisors (1).

632121233 is an equidigital number, since it uses as much as digits as its factorization.

632121233 is an evil number, because the sum of its binary digits is even.

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

The square root of 632121233 is about 25142.0212592385. The cubic root of 632121233 is about 858.2229544136. Note that the first 3 decimals are identical.

Adding to 632121233 its reverse (332121236), we get a palindrome (964242469).

The spelling of 632121233 in words is "six hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty-three".