42975029 has 2 divisors, whose sum is σ = 42975030. Its totient is φ = 42975028.

The previous prime is 42975001. The next prime is 42975041. The reversal of 42975029 is 92057924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31618129 + 11356900 = 5623^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 42975029 - 2¹² = 42970933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42974983 and 42975001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42975089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21487514 + 21487515.

It is an arithmetic number, because the mean of its divisors is an integer number (21487515).

Almost surely, 2^42975029 is an apocalyptic number.

It is an amenable number.

42975029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42975029 is an equidigital number, since it uses as much as digits as its factorization.

42975029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 42975029 is about 6555.5342268956. The cubic root of 42975029 is about 350.2719763543.

The spelling of 42975029 in words is "forty-two million, nine hundred seventy-five thousand, twenty-nine".