42533429 has 2 divisors, whose sum is σ = 42533430. Its totient is φ = 42533428.

The previous prime is 42533411. The next prime is 42533467. The reversal of 42533429 is 92433524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23261329 + 19272100 = 4823^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 42533429 - 2²⁰ = 41484853 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42533395 and 42533404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42533489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266714 + 21266715.

It is an arithmetic number, because the mean of its divisors is an integer number (21266715).

Almost surely, 2^42533429 is an apocalyptic number.

It is an amenable number.

42533429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42533429 is an equidigital number, since it uses as much as digits as its factorization.

42533429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 42533429 is about 6521.7657884962. The cubic root of 42533429 is about 349.0680759259.

The spelling of 42533429 in words is "forty-two million, five hundred thirty-three thousand, four hundred twenty-nine".