30660601 has 2 divisors, whose sum is σ = 30660602. Its totient is φ = 30660600.

The previous prime is 30660599. The next prime is 30660689. The reversal of 30660601 is 10606603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28100601 + 2560000 = 5301^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 30660601 - 2¹ = 30660599 is a prime.

Together with 30660599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30661601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15330300 + 15330301.

It is an arithmetic number, because the mean of its divisors is an integer number (15330301).

Almost surely, 2^30660601 is an apocalyptic number.

It is an amenable number.

30660601 is a deficient number, since it is larger than the sum of its proper divisors (1).

30660601 is an equidigital number, since it uses as much as digits as its factorization.

30660601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30660601 is about 5537.2015495194. The cubic root of 30660601 is about 312.9874240882.

The spelling of 30660601 in words is "thirty million, six hundred sixty thousand, six hundred one".