286288325 has 12 divisors (see below), whose sum is σ = 358142628. Its totient is φ = 227001600.

The previous prime is 286288309. The next prime is 286288357. The reversal of 286288325 is 523882682.

It can be written as a sum of positive squares in 6 ways, for example, as 13675204 + 272613121 = 3698^2 + 16511^2 .

It is not a de Polignac number, because 286288325 - 2⁴ = 286288309 is a prime.

It is a super-2 number, since 2×286288325² = 163922010062611250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 47846 + ... + 53495.

It is an arithmetic number, because the mean of its divisors is an integer number (29845219).

Almost surely, 2^286288325 is an apocalyptic number.

286288325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

286288325 is a deficient number, since it is larger than the sum of its proper divisors (71854303).

286288325 is a wasteful number, since it uses less digits than its factorization.

286288325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101464 (or 101459 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 286288325 is about 16920.0568852472. The cubic root of 286288325 is about 659.0745561900.

The spelling of 286288325 in words is "two hundred eighty-six million, two hundred eighty-eight thousand, three hundred twenty-five".