632828237 has 2 divisors, whose sum is σ = 632828238. Its totient is φ = 632828236.

The previous prime is 632828143. The next prime is 632828239. The reversal of 632828237 is 732828236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624700036 + 8128201 = 24994^2 + 2851^2 .

It is a cyclic number.

It is not a de Polignac number, because 632828237 - 2⁸ = 632827981 is a prime.

Together with 632828239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 632828194 and 632828203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632828239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316414118 + 316414119.

It is an arithmetic number, because the mean of its divisors is an integer number (316414119).

Almost surely, 2^632828237 is an apocalyptic number.

It is an amenable number.

632828237 is a deficient number, since it is larger than the sum of its proper divisors (1).

632828237 is an equidigital number, since it uses as much as digits as its factorization.

632828237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 632828237 is about 25156.0775360548. The cubic root of 632828237 is about 858.5427986434.

Subtracting 632828237 from its reverse (732828236), we obtain a palindrome (99999999).

The spelling of 632828237 in words is "six hundred thirty-two million, eight hundred twenty-eight thousand, two hundred thirty-seven".