60138647 has 2 divisors, whose sum is σ = 60138648. Its totient is φ = 60138646.

The previous prime is 60138643. The next prime is 60138763. The reversal of 60138647 is 74683106.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60138647 - 2² = 60138643 is a prime.

It is a Chen prime.

It is equal to p_3569813 and since 60138647 and 3569813 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 (60138643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30069323 + 30069324.

It is an arithmetic number, because the mean of its divisors is an integer number (30069324).

Almost surely, 2^60138647 is an apocalyptic number.

60138647 is a deficient number, since it is larger than the sum of its proper divisors (1).

60138647 is an equidigital number, since it uses as much as digits as its factorization.

60138647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 60138647 is about 7754.9111535852. The cubic root of 60138647 is about 391.7880791746.

The spelling of 60138647 in words is "sixty million, one hundred thirty-eight thousand, six hundred forty-seven".