63400001 has 4 divisors (see below), whose sum is σ = 72457152. Its totient is φ = 54342852.

The previous prime is 63399977. The next prime is 63400009. The reversal of 63400001 is 10000436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63400001 - 2¹⁰ = 63398977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63400009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4528565 + ... + 4528578.

It is an arithmetic number, because the mean of its divisors is an integer number (18114288).

Almost surely, 2^63400001 is an apocalyptic number.

It is an amenable number.

63400001 is a deficient number, since it is larger than the sum of its proper divisors (9057151).

63400001 is an equidigital number, since it uses as much as digits as its factorization.

63400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057150.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 63400001 is about 7962.4117577528. The cubic root of 63400001 is about 398.7460753734.

Adding to 63400001 its reverse (10000436), we get a palindrome (73400437).

The spelling of 63400001 in words is "sixty-three million, four hundred thousand, one".