987225 has 12 divisors (see below), whose sum is σ = 1632336. Its totient is φ = 526480.

The previous prime is 987211. The next prime is 987227. The reversal of 987225 is 522789.

It is not a de Polignac number, because 987225 - 2⁴ = 987209 is a prime.

It is a super-2 number, since 2×987225² = 1949226401250, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987225.

It is not an unprimeable number, because it can be changed into a prime (987227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6507 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (136028).

2⁹⁸⁷²²⁵ is an apocalyptic number.

It is an amenable number.

987225 is a deficient number, since it is larger than the sum of its proper divisors (645111).

987225 is a wasteful number, since it uses less digits than its factorization.

987225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13176 (or 13171 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 987225 is about 993.5919685666. The cubic root of 987225 is about 99.5723403461.

The spelling of 987225 in words is "nine hundred eighty-seven thousand, two hundred twenty-five".