63434237 has 2 divisors, whose sum is σ = 63434238. Its totient is φ = 63434236.

The previous prime is 63434227. The next prime is 63434279. The reversal of 63434237 is 73243436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58079641 + 5354596 = 7621^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 63434237 - 2¹⁴ = 63417853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63434227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31717118 + 31717119.

It is an arithmetic number, because the mean of its divisors is an integer number (31717119).

Almost surely, 2^63434237 is an apocalyptic number.

It is an amenable number.

63434237 is a deficient number, since it is larger than the sum of its proper divisors (1).

63434237 is an equidigital number, since it uses as much as digits as its factorization.

63434237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 32.

The square root of 63434237 is about 7964.5613187419. The cubic root of 63434237 is about 398.8178367503.

The spelling of 63434237 in words is "sixty-three million, four hundred thirty-four thousand, two hundred thirty-seven".