60873221 has 2 divisors, whose sum is σ = 60873222. Its totient is φ = 60873220.

The previous prime is 60873187. The next prime is 60873257. The reversal of 60873221 is 12237806.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57304900 + 3568321 = 7570^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 60873221 - 2¹⁸ = 60611077 is a prime.

It is a Chen prime.

It is equal to p_3610955 and since 60873221 and 3610955 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60870221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30436610 + 30436611.

It is an arithmetic number, because the mean of its divisors is an integer number (30436611).

Almost surely, 2^60873221 is an apocalyptic number.

It is an amenable number.

60873221 is a deficient number, since it is larger than the sum of its proper divisors (1).

60873221 is an equidigital number, since it uses as much as digits as its factorization.

60873221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 60873221 is about 7802.1292606570. The cubic root of 60873221 is about 393.3768159500.

The spelling of 60873221 in words is "sixty million, eight hundred seventy-three thousand, two hundred twenty-one".