303135225 has 12 divisors (see below), whose sum is σ = 501183696. Its totient is φ = 161672080.

The previous prime is 303135223. The next prime is 303135229. The reversal of 303135225 is 522531303.

It is a happy number.

It is not a de Polignac number, because 303135225 - 2¹ = 303135223 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 303135195 and 303135204.

It is not an unprimeable number, because it can be changed into a prime (303135221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020827 + ... + 2020976.

It is an arithmetic number, because the mean of its divisors is an integer number (41765308).

Almost surely, 2^303135225 is an apocalyptic number.

It is an amenable number.

303135225 is a deficient number, since it is larger than the sum of its proper divisors (198048471).

303135225 is a wasteful number, since it uses less digits than its factorization.

303135225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041816 (or 4041811 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 303135225 is about 17410.7789888908. The cubic root of 303135225 is about 671.7568985853.

Adding to 303135225 its reverse (522531303), we get a palindrome (825666528).

The spelling of 303135225 in words is "three hundred three million, one hundred thirty-five thousand, two hundred twenty-five".