42030629 has 2 divisors, whose sum is σ = 42030630. Its totient is φ = 42030628.

The previous prime is 42030623. The next prime is 42030649. The reversal of 42030629 is 92603024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 9597604 = 5695^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030629 - 2¹⁶ = 41965093 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42030598 and 42030607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42030623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015314 + 21015315.

It is an arithmetic number, because the mean of its divisors is an integer number (21015315).

Almost surely, 2^42030629 is an apocalyptic number.

It is an amenable number.

42030629 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030629 is an equidigital number, since it uses as much as digits as its factorization.

42030629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42030629 is about 6483.1033463921. The cubic root of 42030629 is about 347.6871417504.

The spelling of 42030629 in words is "forty-two million, thirty thousand, six hundred twenty-nine".