60845221 has 2 divisors, whose sum is σ = 60845222. Its totient is φ = 60845220.

The previous prime is 60845209. The next prime is 60845231. The reversal of 60845221 is 12254806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44957025 + 15888196 = 6705^2 + 3986^2 .

It is a cyclic number.

It is not a de Polignac number, because 60845221 - 2⁹ = 60844709 is a prime.

It is a super-3 number, since 3×60845221³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60845221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60845231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30422610 + 30422611.

It is an arithmetic number, because the mean of its divisors is an integer number (30422611).

Almost surely, 2^60845221 is an apocalyptic number.

It is an amenable number.

60845221 is a deficient number, since it is larger than the sum of its proper divisors (1).

60845221 is an equidigital number, since it uses as much as digits as its factorization.

60845221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 60845221 is about 7800.3346723073. The cubic root of 60845221 is about 393.3164925440.

The spelling of 60845221 in words is "sixty million, eight hundred forty-five thousand, two hundred twenty-one".