42063529 has 2 divisors, whose sum is σ = 42063530. Its totient is φ = 42063528.

The previous prime is 42063523. The next prime is 42063547. The reversal of 42063529 is 92536024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30503529 + 11560000 = 5523^2 + 3400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42063529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42063529.

It is not a weakly prime, because it can be changed into another prime (42063523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21031764 + 21031765.

It is an arithmetic number, because the mean of its divisors is an integer number (21031765).

Almost surely, 2^42063529 is an apocalyptic number.

It is an amenable number.

42063529 is a deficient number, since it is larger than the sum of its proper divisors (1).

42063529 is an equidigital number, since it uses as much as digits as its factorization.

42063529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 42063529 is about 6485.6402151214. The cubic root of 42063529 is about 347.7778369083. Note that the first 3 decimals are identical.

The spelling of 42063529 in words is "forty-two million, sixty-three thousand, five hundred twenty-nine".