303240249 has 36 divisors (see below), whose sum is σ = 477217884. Its totient is φ = 185462784.

The previous prime is 303240229. The next prime is 303240263. The reversal of 303240249 is 942042303.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 15327225 + 287913024 = 3915^2 + 16968^2 .

It is not a de Polignac number, because 303240249 - 2⁷ = 303240121 is a prime.

It is a super-2 number, since 2×303240249² = 183909297227164002, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303240229) 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 35 ways as a sum of consecutive naturals, for example, 293037 + ... + 294069.

Almost surely, 2^303240249 is an apocalyptic number.

303240249 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

303240249 is a deficient number, since it is larger than the sum of its proper divisors (173977635).

303240249 is a wasteful number, since it uses less digits than its factorization.

303240249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 303240249 is about 17413.7947903379. The cubic root of 303240249 is about 671.8344684228.

The spelling of 303240249 in words is "three hundred three million, two hundred forty thousand, two hundred forty-nine".