632484821 has 2 divisors, whose sum is σ = 632484822. Its totient is φ = 632484820.

The previous prime is 632484773. The next prime is 632484829. The reversal of 632484821 is 128484236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403567921 + 228916900 = 20089^2 + 15130^2 .

It is a cyclic number.

It is not a de Polignac number, because 632484821 - 2¹⁴ = 632468437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632484829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316242410 + 316242411.

It is an arithmetic number, because the mean of its divisors is an integer number (316242411).

Almost surely, 2^632484821 is an apocalyptic number.

It is an amenable number.

632484821 is a deficient number, since it is larger than the sum of its proper divisors (1).

632484821 is an equidigital number, since it uses as much as digits as its factorization.

632484821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 38.

The square root of 632484821 is about 25149.2509033569. The cubic root of 632484821 is about 858.3874691424.

The spelling of 632484821 in words is "six hundred thirty-two million, four hundred eighty-four thousand, eight hundred twenty-one".