63924541 has 4 divisors (see below), whose sum is σ = 63956284. Its totient is φ = 63892800.

The previous prime is 63924533. The next prime is 63924557. The reversal of 63924541 is 14542936.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43943641 + 19980900 = 6629^2 + 4470^2 .

It is a cyclic number.

It is not a de Polignac number, because 63924541 - 2³ = 63924533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63924497 and 63924506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63924041) 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 3 ways as a sum of consecutive naturals, for example, 12630 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (15989071).

Almost surely, 2^63924541 is an apocalyptic number.

It is an amenable number.

63924541 is a deficient number, since it is larger than the sum of its proper divisors (31743).

63924541 is a wasteful number, since it uses less digits than its factorization.

63924541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31742.

The product of its digits is 25920, while the sum is 34.

The square root of 63924541 is about 7995.2824215283. The cubic root of 63924541 is about 399.8427319250.

The spelling of 63924541 in words is "sixty-three million, nine hundred twenty-four thousand, five hundred forty-one".