303979225 has 27 divisors (see below), whose sum is σ = 415627261. Its totient is φ = 220378400.

The previous prime is 303979217. The next prime is 303979229. The reversal of 303979225 is 522979303.

It is a happy number.

The square root of 303979225 is 17435.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 122699929 + 181279296 = 11077^2 + 13464^2 .

It is not a de Polignac number, because 303979225 - 2³ = 303979217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (303979229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 958767 + ... + 959083.

Almost surely, 2^303979225 is an apocalyptic number.

303979225 is the 17435-th square number.

303979225 is the 8718-th centered octagonal number.

It is an amenable number.

303979225 is a deficient number, since it is larger than the sum of its proper divisors (111648036).

303979225 is an equidigital number, since it uses as much as digits as its factorization.

303979225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 40.

The cubic root of 303979225 is about 672.3797641163.

The spelling of 303979225 in words is "three hundred three million, nine hundred seventy-nine thousand, two hundred twenty-five".