632034421 has 2 divisors, whose sum is σ = 632034422. Its totient is φ = 632034420.

The previous prime is 632034419. The next prime is 632034433. The reversal of 632034421 is 124430236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500014321 + 132020100 = 22361^2 + 11490^2 .

It is a cyclic number.

It is not a de Polignac number, because 632034421 - 2¹ = 632034419 is a prime.

Together with 632034419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632034451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316017210 + 316017211.

It is an arithmetic number, because the mean of its divisors is an integer number (316017211).

Almost surely, 2^632034421 is an apocalyptic number.

It is an amenable number.

632034421 is a deficient number, since it is larger than the sum of its proper divisors (1).

632034421 is an equidigital number, since it uses as much as digits as its factorization.

632034421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 632034421 is about 25140.2947675639. The cubic root of 632034421 is about 858.1836647657.

Adding to 632034421 its reverse (124430236), we get a palindrome (756464657).

The spelling of 632034421 in words is "six hundred thirty-two million, thirty-four thousand, four hundred twenty-one".