285074953 has 2 divisors, whose sum is σ = 285074954. Its totient is φ = 285074952.

The previous prime is 285074947. The next prime is 285075019. The reversal of 285074953 is 359470582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223562304 + 61512649 = 14952^2 + 7843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285074953 is a prime.

It is not a weakly prime, because it can be changed into another prime (285074753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142537476 + 142537477.

It is an arithmetic number, because the mean of its divisors is an integer number (142537477).

Almost surely, 2^285074953 is an apocalyptic number.

It is an amenable number.

285074953 is a deficient number, since it is larger than the sum of its proper divisors (1).

285074953 is an equidigital number, since it uses as much as digits as its factorization.

285074953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 285074953 is about 16884.1627864695. The cubic root of 285074953 is about 658.1421219970.

The spelling of 285074953 in words is "two hundred eighty-five million, seventy-four thousand, nine hundred fifty-three".