63436401 has 48 divisors (see below), whose sum is σ = 112814208. Its totient is φ = 33523200.

The previous prime is 63436397. The next prime is 63436411. The reversal of 63436401 is 10463436.

It is not a de Polignac number, because 63436401 - 2² = 63436397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63436411) 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 47 ways as a sum of consecutive naturals, for example, 64846 + ... + 65816.

It is an arithmetic number, because the mean of its divisors is an integer number (2350296).

Almost surely, 2^63436401 is an apocalyptic number.

63436401 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63436401 is a deficient number, since it is larger than the sum of its proper divisors (49377807).

63436401 is a wasteful number, since it uses less digits than its factorization.

63436401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 63436401 is about 7964.6971693844. The cubic root of 63436401 is about 398.8223717986.

Adding to 63436401 its reverse (10463436), we get a palindrome (73899837).

The spelling of 63436401 in words is "sixty-three million, four hundred thirty-six thousand, four hundred one".