64060521 has 16 divisors (see below), whose sum is σ = 97736064. Its totient is φ = 36561024.

The previous prime is 64060511. The next prime is 64060523. The reversal of 64060521 is 12506046.

It is not a de Polignac number, because 64060521 - 2¹⁰ = 64059497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64060491 and 64060500.

It is not an unprimeable number, because it can be changed into a prime (64060523) 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, 23775 + ... + 26331.

It is an arithmetic number, because the mean of its divisors is an integer number (6108504).

Almost surely, 2^64060521 is an apocalyptic number.

It is an amenable number.

64060521 is a deficient number, since it is larger than the sum of its proper divisors (33675543).

64060521 is a wasteful number, since it uses less digits than its factorization.

64060521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 64060521 is about 8003.7816686864. The cubic root of 64060521 is about 400.1260456937.

Adding to 64060521 its reverse (12506046), we get a palindrome (76566567).

The spelling of 64060521 in words is "sixty-four million, sixty thousand, five hundred twenty-one".