903507242 has 36 divisors (see below), whose sum is σ = 1527573894. Its totient is φ = 400488000.

The previous prime is 903507223. The next prime is 903507257. The reversal of 903507242 is 242705309.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 379509361 + 523997881 = 19481^2 + 22891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 903507199 and 903507208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 405692 + ... + 407912.

Almost surely, 2^903507242 is an apocalyptic number.

903507242 is a deficient number, since it is larger than the sum of its proper divisors (624066652).

903507242 is a wasteful number, since it uses less digits than its factorization.

903507242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 903507242 is about 30058.3971961247. The cubic root of 903507242 is about 966.7419089801.

The spelling of 903507242 in words is "nine hundred three million, five hundred seven thousand, two hundred forty-two".