30501601 has 4 divisors (see below), whose sum is σ = 32847892. Its totient is φ = 28155312.

The previous prime is 30501599. The next prime is 30501617. The reversal of 30501601 is 10610503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10610503 = 2963 ⋅3581.

It can be written as a sum of positive squares in 2 ways, for example, as 1600225 + 28901376 = 1265^2 + 5376^2 .

It is a cyclic number.

It is not a de Polignac number, because 30501601 - 2¹ = 30501599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30501661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173126 + ... + 1173151.

It is an arithmetic number, because the mean of its divisors is an integer number (8211973).

Almost surely, 2^30501601 is an apocalyptic number.

It is an amenable number.

30501601 is a deficient number, since it is larger than the sum of its proper divisors (2346291).

30501601 is a wasteful number, since it uses less digits than its factorization.

30501601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346290.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 30501601 is about 5522.8254544210. The cubic root of 30501601 is about 312.4454552268.

The spelling of 30501601 in words is "thirty million, five hundred one thousand, six hundred one".