60520521 has 8 divisors (see below), whose sum is σ = 84202560. Its totient is φ = 38592752.

The previous prime is 60520519. The next prime is 60520543. The reversal of 60520521 is 12502506.

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 60520521 - 2¹ = 60520519 is a prime.

It is a super-3 number, since 3×60520521³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60520571) 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, 438486 + ... + 438623.

It is an arithmetic number, because the mean of its divisors is an integer number (10525320).

Almost surely, 2^60520521 is an apocalyptic number.

It is an amenable number.

60520521 is a deficient number, since it is larger than the sum of its proper divisors (23682039).

60520521 is a wasteful number, since it uses less digits than its factorization.

60520521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877135.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 60520521 is about 7779.4936210527. The cubic root of 60520521 is about 392.6156009311.

The spelling of 60520521 in words is "sixty million, five hundred twenty thousand, five hundred twenty-one".