214631629 has 2 divisors, whose sum is σ = 214631630. Its totient is φ = 214631628.

The previous prime is 214631623. The next prime is 214631663. The reversal of 214631629 is 926136412.

It is a happy number.

It is an a-pointer prime, because the next prime (214631663) can be obtained adding 214631629 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 104591529 = 10490^2 + 10227^2 .

It is a cyclic number.

It is not a de Polignac number, because 214631629 - 2²⁷ = 80413901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214631594 and 214631603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214631623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107315814 + 107315815.

It is an arithmetic number, because the mean of its divisors is an integer number (107315815).

Almost surely, 2^214631629 is an apocalyptic number.

It is an amenable number.

214631629 is a deficient number, since it is larger than the sum of its proper divisors (1).

214631629 is an equidigital number, since it uses as much as digits as its factorization.

214631629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 214631629 is about 14650.3115666528. The cubic root of 214631629 is about 598.7303048337.

The spelling of 214631629 in words is "two hundred fourteen million, six hundred thirty-one thousand, six hundred twenty-nine".