63402111 has 6 divisors (see below), whose sum is σ = 91580840. Its totient is φ = 42268068.

The previous prime is 63402109. The next prime is 63402121. The reversal of 63402111 is 11120436.

It is a happy number.

63402111 is a `hidden beast` number, since 634 + 0 + 21 + 11 = 666.

It is not a de Polignac number, because 63402111 - 2¹ = 63402109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63402121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3522331 + ... + 3522348.

Almost surely, 2^63402111 is an apocalyptic number.

63402111 is a deficient number, since it is larger than the sum of its proper divisors (28178729).

63402111 is a wasteful number, since it uses less digits than its factorization.

63402111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044685 (or 7044682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 63402111 is about 7962.5442541941. The cubic root of 63402111 is about 398.7504988480.

Adding to 63402111 its reverse (11120436), we get a palindrome (74522547).

The spelling of 63402111 in words is "sixty-three million, four hundred two thousand, one hundred eleven".