902250 has 48 divisors (see below), whose sum is σ = 2445768. Its totient is φ = 240000.

The previous prime is 902227. The next prime is 902261. The reversal of 902250 is 52209.

902250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 567009 + 335241 = 753^2 + 579^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2050 + ... + 2450.

2⁹⁰²²⁵⁰ is an apocalyptic number.

902250 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 902250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222884).

902250 is an abundant number, since it is smaller than the sum of its proper divisors (1543518).

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

902250 is a wasteful number, since it uses less digits than its factorization.

902250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 902250 is about 949.8684119393. The cubic root of 902250 is about 96.6293289544.

Adding to 902250 its reverse (52209), we get a palindrome (954459).

It can be divided in two parts, 90 and 2250, that multiplied together give a square (202500 = 450²).

The spelling of 902250 in words is "nine hundred two thousand, two hundred fifty".