30512201 has 8 divisors (see below), whose sum is σ = 30943944. Its totient is φ = 30083200.

The previous prime is 30512197. The next prime is 30512219. The reversal of 30512201 is 10221503.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4000000 + 26512201 = 2000^2 + 5149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30512201 - 2² = 30512197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30512221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31541 + ... + 32493.

It is an arithmetic number, because the mean of its divisors is an integer number (3867993).

Almost surely, 2^30512201 is an apocalyptic number.

It is an amenable number.

30512201 is a deficient number, since it is larger than the sum of its proper divisors (431743).

30512201 is a wasteful number, since it uses less digits than its factorization.

30512201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 30512201 is about 5523.7850247815. The cubic root of 30512201 is about 312.4816450019.

Adding to 30512201 its reverse (10221503), we get a palindrome (40733704).

The spelling of 30512201 in words is "thirty million, five hundred twelve thousand, two hundred one".