1009250 has 32 divisors (see below), whose sum is σ = 2066688. Its totient is φ = 366000.

The previous prime is 1009247. The next prime is 1009259. The reversal of 1009250 is 529001.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2567 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (64584).

2^1009250 is an apocalyptic number.

1009250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009250 is an abundant number, since it is smaller than the sum of its proper divisors (1057438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1009250 is a wasteful number, since it uses less digits than its factorization.

1009250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1009250 is about 1004.6143538692. The cubic root of 1009250 is about 100.3073874945.

Subtracting from 1009250 its reverse (529001), we obtain a square (480249 = 693²).

The spelling of 1009250 in words is "one million, nine thousand, two hundred fifty".