60521217 has 4 divisors (see below), whose sum is σ = 80694960. Its totient is φ = 40347476.

The previous prime is 60521183. The next prime is 60521221. The reversal of 60521217 is 71212506.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60521217 - 2¹¹ = 60519169 is a prime.

It is a super-2 number, since 2×60521217² = 7325635414322178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60521317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10086867 + ... + 10086872.

It is an arithmetic number, because the mean of its divisors is an integer number (20173740).

Almost surely, 2^60521217 is an apocalyptic number.

It is an amenable number.

60521217 is a deficient number, since it is larger than the sum of its proper divisors (20173743).

60521217 is a wasteful number, since it uses less digits than its factorization.

60521217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173742.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 60521217 is about 7779.5383539128. The cubic root of 60521217 is about 392.6171059821.

The spelling of 60521217 in words is "sixty million, five hundred twenty-one thousand, two hundred seventeen".