286490625 has 24 divisors (see below), whose sum is σ = 477469440. Its totient is φ = 152790000.

The previous prime is 286490591. The next prime is 286490629. The reversal of 286490625 is 526094682.

It is not a de Polignac number, because 286490625 - 2¹³ = 286482433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (286490629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5905 + ... + 24654.

It is an arithmetic number, because the mean of its divisors is an integer number (19894560).

It is a Proth number, since it is equal to 8743 ⋅ 2¹⁵ + 1 and 8743 < 2¹⁵.

Almost surely, 2^286490625 is an apocalyptic number.

286490625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

286490625 is a deficient number, since it is larger than the sum of its proper divisors (190978815).

286490625 is an frugal number, since it uses more digits than its factorization.

286490625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30587 (or 30567 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 286490625 is about 16926.0339418306. The cubic root of 286490625 is about 659.2297603183.

The spelling of 286490625 in words is "two hundred eighty-six million, four hundred ninety thousand, six hundred twenty-five".