63402133 has 2 divisors, whose sum is σ = 63402134. Its totient is φ = 63402132.

The previous prime is 63402121. The next prime is 63402187. The reversal of 63402133 is 33120436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58706244 + 4695889 = 7662^2 + 2167^2 .

It is a cyclic number.

It is not a de Polignac number, because 63402133 - 2²¹ = 61304981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63402103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31701066 + 31701067.

It is an arithmetic number, because the mean of its divisors is an integer number (31701067).

Almost surely, 2^63402133 is an apocalyptic number.

It is an amenable number.

63402133 is a deficient number, since it is larger than the sum of its proper divisors (1).

63402133 is an equidigital number, since it uses as much as digits as its factorization.

63402133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 63402133 is about 7962.5456356620. The cubic root of 63402133 is about 398.7505449690.

Adding to 63402133 its reverse (33120436), we get a palindrome (96522569).

The spelling of 63402133 in words is "sixty-three million, four hundred two thousand, one hundred thirty-three".