63430401 has 16 divisors (see below), whose sum is σ = 86688000. Its totient is φ = 41236608.

The previous prime is 63430399. The next prime is 63430421. The reversal of 63430401 is 10403436.

It is not a de Polignac number, because 63430401 - 2¹ = 63430399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63430421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48565 + ... + 49853.

It is an arithmetic number, because the mean of its divisors is an integer number (5418000).

Almost surely, 2^63430401 is an apocalyptic number.

It is an amenable number.

63430401 is a deficient number, since it is larger than the sum of its proper divisors (23257599).

63430401 is a wasteful number, since it uses less digits than its factorization.

63430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 63430401 is about 7964.3204983225. The cubic root of 63430401 is about 398.8097974741.

Adding to 63430401 its reverse (10403436), we get a palindrome (73833837).

The spelling of 63430401 in words is "sixty-three million, four hundred thirty thousand, four hundred one".