30507201 has 6 divisors (see below), whose sum is σ = 44065970. Its totient is φ = 20338128.

The previous prime is 30507187. The next prime is 30507221. The reversal of 30507201 is 10270503.

It can be written as a sum of positive squares in only one way, i.e., 17438976 + 13068225 = 4176^2 + 3615^2 .

It is not a de Polignac number, because 30507201 - 2⁹ = 30506689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30507221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1694836 + ... + 1694853.

Almost surely, 2^30507201 is an apocalyptic number.

It is an amenable number.

30507201 is a deficient number, since it is larger than the sum of its proper divisors (13558769).

30507201 is a wasteful number, since it uses less digits than its factorization.

30507201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389695 (or 3389692 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 30507201 is about 5523.3324180245. The cubic root of 30507201 is about 312.4645753978.

Adding to 30507201 its reverse (10270503), we get a palindrome (40777704).

The spelling of 30507201 in words is "thirty million, five hundred seven thousand, two hundred one".