63546401 has 8 divisors (see below), whose sum is σ = 66444864. Its totient is φ = 60659280.

The previous prime is 63546383. The next prime is 63546407. The reversal of 63546401 is 10464536.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63546401 - 2¹⁸ = 63284257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63546407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9890 + ... + 14996.

It is an arithmetic number, because the mean of its divisors is an integer number (8305608).

Almost surely, 2^63546401 is an apocalyptic number.

It is an amenable number.

63546401 is a deficient number, since it is larger than the sum of its proper divisors (2898463).

63546401 is a wasteful number, since it uses less digits than its factorization.

63546401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 63546401 is about 7971.5996512620. The cubic root of 63546401 is about 399.0527606983.

The spelling of 63546401 in words is "sixty-three million, five hundred forty-six thousand, four hundred one".