286625 has 8 divisors (see below), whose sum is σ = 357864. Its totient is φ = 229200.

The previous prime is 286619. The next prime is 286633. The reversal of 286625 is 526682.

It can be written as a sum of positive squares in 4 ways, for example, as 28561 + 258064 = 169^2 + 508^2 .

It is not a de Polignac number, because 286625 - 2⁴ = 286609 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (44733).

2²⁸⁶⁶²⁵ is an apocalyptic number.

286625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

286625 is a deficient number, since it is larger than the sum of its proper divisors (71239).

286625 is an equidigital number, since it uses as much as digits as its factorization.

286625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2298 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 286625 is about 535.3737012592. The cubic root of 286625 is about 65.9332812152.

The spelling of 286625 in words is "two hundred eighty-six thousand, six hundred twenty-five".