285303275 has 6 divisors (see below), whose sum is σ = 353776092. Its totient is φ = 228242600.

The previous prime is 285303269. The next prime is 285303289. The reversal of 285303275 is 572303582.

It is not a de Polignac number, because 285303275 - 2¹⁸ = 285041131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5706041 + ... + 5706090.

It is an arithmetic number, because the mean of its divisors is an integer number (58962682).

Almost surely, 2^285303275 is an apocalyptic number.

285303275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

285303275 is a deficient number, since it is larger than the sum of its proper divisors (68472817).

285303275 is a wasteful number, since it uses less digits than its factorization.

285303275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412141 (or 11412136 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 285303275 is about 16890.9228581508. The cubic root of 285303275 is about 658.3177813271.

The spelling of 285303275 in words is "two hundred eighty-five million, three hundred three thousand, two hundred seventy-five".