286513625 has 16 divisors (see below), whose sum is σ = 369108480. Its totient is φ = 221814000.

The previous prime is 286513621. The next prime is 286513657. The reversal of 286513625 is 526315682.

It is not a de Polignac number, because 286513625 - 2² = 286513621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (286513621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33095 + ... + 40844.

It is an arithmetic number, because the mean of its divisors is an integer number (23069280).

Almost surely, 2^286513625 is an apocalyptic number.

286513625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

286513625 is a deficient number, since it is larger than the sum of its proper divisors (82594855).

286513625 is an equidigital number, since it uses as much as digits as its factorization.

286513625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73985 (or 73975 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 286513625 is about 16926.7133549310. The cubic root of 286513625 is about 659.2474012432.

The spelling of 286513625 in words is "two hundred eighty-six million, five hundred thirteen thousand, six hundred twenty-five".