63454401 has 16 divisors (see below), whose sum is σ = 98094720. Its totient is φ = 40463280.

The previous prime is 63454397. The next prime is 63454403. The reversal of 63454401 is 10445436.

It is not a de Polignac number, because 63454401 - 2² = 63454397 is a prime.

It is a super-2 number, since 2×63454401² = 8052922012537602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (63454403) 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, 50470 + ... + 51711.

It is an arithmetic number, because the mean of its divisors is an integer number (6130920).

Almost surely, 2^63454401 is an apocalyptic number.

It is an amenable number.

63454401 is a deficient number, since it is larger than the sum of its proper divisors (34640319).

63454401 is a wasteful number, since it uses less digits than its factorization.

63454401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102213 (or 102207 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 63454401 is about 7965.8270757028. The cubic root of 63454401 is about 398.8600900156.

Adding to 63454401 its reverse (10445436), we get a palindrome (73899837).

The spelling of 63454401 in words is "sixty-three million, four hundred fifty-four thousand, four hundred one".