32631629 has 2 divisors, whose sum is σ = 32631630. Its totient is φ = 32631628.

The previous prime is 32631617. The next prime is 32631631. The reversal of 32631629 is 92613623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21409129 + 11222500 = 4627^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 32631629 - 2¹² = 32627533 is a prime.

It is a super-2 number, since 2×32631629² = 2129646422387282, which contains 22 as substring.

Together with 32631631, 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 = 32631595 and 32631604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32631659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16315814 + 16315815.

It is an arithmetic number, because the mean of its divisors is an integer number (16315815).

Almost surely, 2^32631629 is an apocalyptic number.

It is an amenable number.

32631629 is a deficient number, since it is larger than the sum of its proper divisors (1).

32631629 is an equidigital number, since it uses as much as digits as its factorization.

32631629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 32631629 is about 5712.4100868197. The cubic root of 32631629 is about 319.5554667396. Note that the first 3 decimals are identical.

The spelling of 32631629 in words is "thirty-two million, six hundred thirty-one thousand, six hundred twenty-nine".