30601613 has 4 divisors (see below), whose sum is σ = 34973280. Its totient is φ = 26229948.

The previous prime is 30601601. The next prime is 30601631. The reversal of 30601613 is 31610603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31610603 = 3769 ⋅8387.

It is a cyclic number.

It is not a de Polignac number, because 30601613 - 2⁸ = 30601357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30601693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185823 + ... + 2185836.

It is an arithmetic number, because the mean of its divisors is an integer number (8743320).

Almost surely, 2^30601613 is an apocalyptic number.

It is an amenable number.

30601613 is a deficient number, since it is larger than the sum of its proper divisors (4371667).

30601613 is an equidigital number, since it uses as much as digits as its factorization.

30601613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371666.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30601613 is about 5531.8724677997. The cubic root of 30601613 is about 312.7865761568.

The spelling of 30601613 in words is "thirty million, six hundred one thousand, six hundred thirteen".