60865521 has 16 divisors (see below), whose sum is σ = 86123520. Its totient is φ = 38152400.

The previous prime is 60865433. The next prime is 60865537. The reversal of 60865521 is 12556806.

It is not a de Polignac number, because 60865521 - 2⁹ = 60865009 is a prime.

It is a super-2 number, since 2×60865521² = 7409223293202882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60865561) 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, 3405 + ... + 11546.

It is an arithmetic number, because the mean of its divisors is an integer number (5382720).

Almost surely, 2^60865521 is an apocalyptic number.

It is an amenable number.

60865521 is a deficient number, since it is larger than the sum of its proper divisors (25257999).

60865521 is a wasteful number, since it uses less digits than its factorization.

60865521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15036.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 60865521 is about 7801.6357900122. The cubic root of 60865521 is about 393.3602288577.

The spelling of 60865521 in words is "sixty million, eight hundred sixty-five thousand, five hundred twenty-one".