305125201 has 4 divisors (see below), whose sum is σ = 306571504. Its totient is φ = 303678900.

The previous prime is 305125193. The next prime is 305125207. The reversal of 305125201 is 102521503.

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.

It is a cyclic number.

It is not a de Polignac number, because 305125201 - 2³ = 305125193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305125207) 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, 722835 + ... + 723256.

It is an arithmetic number, because the mean of its divisors is an integer number (76642876).

Almost surely, 2^305125201 is an apocalyptic number.

It is an amenable number.

305125201 is a deficient number, since it is larger than the sum of its proper divisors (1446303).

305125201 is a wasteful number, since it uses less digits than its factorization.

305125201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446302.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 305125201 is about 17467.8333229969. The cubic root of 305125201 is about 673.2236428566.

Adding to 305125201 its reverse (102521503), we get a palindrome (407646704).

The spelling of 305125201 in words is "three hundred five million, one hundred twenty-five thousand, two hundred one".