42830629 has 2 divisors, whose sum is σ = 42830630. Its totient is φ = 42830628.

The previous prime is 42830603. The next prime is 42830639. The reversal of 42830629 is 92603824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24980004 + 17850625 = 4998^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 42830629 - 2⁵ = 42830597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42830594 and 42830603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42830639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21415314 + 21415315.

It is an arithmetic number, because the mean of its divisors is an integer number (21415315).

Almost surely, 2^42830629 is an apocalyptic number.

It is an amenable number.

42830629 is a deficient number, since it is larger than the sum of its proper divisors (1).

42830629 is an equidigital number, since it uses as much as digits as its factorization.

42830629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 42830629 is about 6544.5113644947. The cubic root of 42830629 is about 349.8792209110.

The spelling of 42830629 in words is "forty-two million, eight hundred thirty thousand, six hundred twenty-nine".