60521291 has 4 divisors (see below), whose sum is σ = 60538392. Its totient is φ = 60504192.

The previous prime is 60521281. The next prime is 60521299. The reversal of 60521291 is 19212506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19212506 = 2 ⋅9606253.

It is a cyclic number.

It is not a de Polignac number, because 60521291 - 2¹⁴ = 60504907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60521291.

It is not an unprimeable number, because it can be changed into a prime (60521299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (15134598).

Almost surely, 2^60521291 is an apocalyptic number.

60521291 is a deficient number, since it is larger than the sum of its proper divisors (17101).

60521291 is a wasteful number, since it uses less digits than its factorization.

60521291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17100.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 60521291 is about 7779.5431099776. The cubic root of 60521291 is about 392.6172660012.

Adding to 60521291 its reverse (19212506), we get a palindrome (79733797).

The spelling of 60521291 in words is "sixty million, five hundred twenty-one thousand, two hundred ninety-one".