60664237 has 2 divisors, whose sum is σ = 60664238. Its totient is φ = 60664236.

The previous prime is 60664229. The next prime is 60664273. The reversal of 60664237 is 73246606.

Together with next prime (60664273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 10055241 = 7114^2 + 3171^2 .

It is a cyclic number.

It is not a de Polignac number, because 60664237 - 2³ = 60664229 is a prime.

It is a super-3 number, since 3×60664237³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60664537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30332118 + 30332119.

It is an arithmetic number, because the mean of its divisors is an integer number (30332119).

Almost surely, 2^60664237 is an apocalyptic number.

It is an amenable number.

60664237 is a deficient number, since it is larger than the sum of its proper divisors (1).

60664237 is an equidigital number, since it uses as much as digits as its factorization.

60664237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 60664237 is about 7788.7249919355. The cubic root of 60664237 is about 392.9261321801.

The spelling of 60664237 in words is "sixty million, six hundred sixty-four thousand, two hundred thirty-seven".