632509433 has 2 divisors, whose sum is σ = 632509434. Its totient is φ = 632509432.

The previous prime is 632509391. The next prime is 632509447. The reversal of 632509433 is 334905236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603046249 + 29463184 = 24557^2 + 5428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632509433 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 632509393 and 632509402.

It is not a weakly prime, because it can be changed into another prime (632502433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316254716 + 316254717.

It is an arithmetic number, because the mean of its divisors is an integer number (316254717).

Almost surely, 2^632509433 is an apocalyptic number.

It is an amenable number.

632509433 is a deficient number, since it is larger than the sum of its proper divisors (1).

632509433 is an equidigital number, since it uses as much as digits as its factorization.

632509433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 632509433 is about 25149.7402173462. The cubic root of 632509433 is about 858.3986031953.

The spelling of 632509433 in words is "six hundred thirty-two million, five hundred nine thousand, four hundred thirty-three".