60807221 has 4 divisors (see below), whose sum is σ = 61345452. Its totient is φ = 60268992.

The previous prime is 60807191. The next prime is 60807259. The reversal of 60807221 is 12270806.

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 6195121 + 54612100 = 2489^2 + 7390^2 .

It is a cyclic number.

It is not a de Polignac number, because 60807221 - 2⁶ = 60807157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60807421) 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, 268946 + ... + 269171.

It is an arithmetic number, because the mean of its divisors is an integer number (15336363).

Almost surely, 2^60807221 is an apocalyptic number.

It is an amenable number.

60807221 is a deficient number, since it is larger than the sum of its proper divisors (538231).

60807221 is a wasteful number, since it uses less digits than its factorization.

60807221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538230.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 60807221 is about 7797.8984989547. The cubic root of 60807221 is about 393.2345954561.

The spelling of 60807221 in words is "sixty million, eight hundred seven thousand, two hundred twenty-one".