64541541 has 8 divisors (see below), whose sum is σ = 86093280. Its totient is φ = 43008752.

The previous prime is 64541509. The next prime is 64541549. The reversal of 64541541 is 14514546.

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

It is a cyclic number.

It is not a de Polignac number, because 64541541 - 2⁵ = 64541509 is a prime.

It is a super-2 number, since 2×64541541² = 8331221029309362, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64541499 and 64541508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64541549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8491 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (10761660).

Almost surely, 2^64541541 is an apocalyptic number.

It is an amenable number.

64541541 is a deficient number, since it is larger than the sum of its proper divisors (21551739).

64541541 is a wasteful number, since it uses less digits than its factorization.

64541541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475.

The product of its digits is 9600, while the sum is 30.

The square root of 64541541 is about 8033.7750155204. The cubic root of 64541541 is about 401.1250431448.

The spelling of 64541541 in words is "sixty-four million, five hundred forty-one thousand, five hundred forty-one".