60645221 has 8 divisors (see below), whose sum is σ = 74640384. Its totient is φ = 47982960.

The previous prime is 60645209. The next prime is 60645229. The reversal of 60645221 is 12254606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60645221 - 2⁶ = 60645157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60645229) 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 7 ways as a sum of consecutive naturals, for example, 333125 + ... + 333306.

It is an arithmetic number, because the mean of its divisors is an integer number (9330048).

Almost surely, 2^60645221 is an apocalyptic number.

It is an amenable number.

60645221 is a deficient number, since it is larger than the sum of its proper divisors (13995163).

60645221 is a wasteful number, since it uses less digits than its factorization.

60645221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666451.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 60645221 is about 7787.5041573023. The cubic root of 60645221 is about 392.8850719412.

Adding to 60645221 its reverse (12254606), we get a palindrome (72899827).

The spelling of 60645221 in words is "sixty million, six hundred forty-five thousand, two hundred twenty-one".