60666247 has 2 divisors, whose sum is σ = 60666248. Its totient is φ = 60666246.

The previous prime is 60666241. The next prime is 60666283. The reversal of 60666247 is 74266606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60666247 - 2⁷ = 60666119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60666241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30333123 + 30333124.

It is an arithmetic number, because the mean of its divisors is an integer number (30333124).

Almost surely, 2^60666247 is an apocalyptic number.

60666247 is a deficient number, since it is larger than the sum of its proper divisors (1).

60666247 is an equidigital number, since it uses as much as digits as its factorization.

60666247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 60666247 is about 7788.8540235390. The cubic root of 60666247 is about 392.9304717649.

The spelling of 60666247 in words is "sixty million, six hundred sixty-six thousand, two hundred forty-seven".