63874541 has 8 divisors (see below), whose sum is σ = 64469784. Its totient is φ = 63282240.

The previous prime is 63874529. The next prime is 63874571. The reversal of 63874541 is 14547836.

It can be written as a sum of positive squares in 4 ways, for example, as 12752041 + 51122500 = 3571^2 + 7150^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63874541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63874495 and 63874504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63874571) 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 7 ways as a sum of consecutive naturals, for example, 72395 + ... + 73271.

It is an arithmetic number, because the mean of its divisors is an integer number (8058723).

Almost surely, 2^63874541 is an apocalyptic number.

It is an amenable number.

63874541 is a deficient number, since it is larger than the sum of its proper divisors (595243).

63874541 is a wasteful number, since it uses less digits than its factorization.

63874541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its digits is 80640, while the sum is 38.

The square root of 63874541 is about 7992.1549659651. The cubic root of 63874541 is about 399.7384561076.

The spelling of 63874541 in words is "sixty-three million, eight hundred seventy-four thousand, five hundred forty-one".