275630629 has 2 divisors, whose sum is σ = 275630630. Its totient is φ = 275630628.

The previous prime is 275630627. The next prime is 275630657. The reversal of 275630629 is 926036572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275626404 + 4225 = 16602^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 275630629 - 2¹ = 275630627 is a prime.

Together with 275630627, 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 = 275630591 and 275630600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275630627) 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, 137815314 + 137815315.

It is an arithmetic number, because the mean of its divisors is an integer number (137815315).

Almost surely, 2^275630629 is an apocalyptic number.

It is an amenable number.

275630629 is a deficient number, since it is larger than the sum of its proper divisors (1).

275630629 is an equidigital number, since it uses as much as digits as its factorization.

275630629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 275630629 is about 16602.1272432180. The cubic root of 275630629 is about 650.7924292004.

The spelling of 275630629 in words is "two hundred seventy-five million, six hundred thirty thousand, six hundred twenty-nine".