42954029 has 2 divisors, whose sum is σ = 42954030. Its totient is φ = 42954028.

The previous prime is 42954007. The next prime is 42954031. The reversal of 42954029 is 92045924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42902500 + 51529 = 6550^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 42954029 - 2²⁰ = 41905453 is a prime.

Together with 42954031, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42954029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42954049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21477014 + 21477015.

It is an arithmetic number, because the mean of its divisors is an integer number (21477015).

Almost surely, 2^42954029 is an apocalyptic number.

It is an amenable number.

42954029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42954029 is an equidigital number, since it uses as much as digits as its factorization.

42954029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 42954029 is about 6553.9323310513. The cubic root of 42954029 is about 350.2149129065.

The spelling of 42954029 in words is "forty-two million, nine hundred fifty-four thousand, twenty-nine".