60805021 has 4 divisors (see below), whose sum is σ = 60839100. Its totient is φ = 60770944.

The previous prime is 60804977. The next prime is 60805027. The reversal of 60805021 is 12050806.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23765625 + 37039396 = 4875^2 + 6086^2 .

It is a cyclic number.

It is not a de Polignac number, because 60805021 - 2¹⁵ = 60772253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60804983 and 60805001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60805027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14206 + ... + 17983.

It is an arithmetic number, because the mean of its divisors is an integer number (15209775).

Almost surely, 2^60805021 is an apocalyptic number.

It is an amenable number.

60805021 is a deficient number, since it is larger than the sum of its proper divisors (34079).

60805021 is a wasteful number, since it uses less digits than its factorization.

60805021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34078.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 60805021 is about 7797.7574340319. The cubic root of 60805021 is about 393.2298530010.

Adding to 60805021 its reverse (12050806), we get a palindrome (72855827).

The spelling of 60805021 in words is "sixty million, eight hundred five thousand, twenty-one".