905250 has 64 divisors (see below), whose sum is σ = 2426112. Its totient is φ = 224000.

The previous prime is 905249. The next prime is 905269. The reversal of 905250 is 52509.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12715 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (37908).

2⁹⁰⁵²⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 905250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1213056).

905250 is an abundant number, since it is smaller than the sum of its proper divisors (1520862).

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

905250 is a wasteful number, since it uses less digits than its factorization.

905250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 905250 is about 951.4462675317. The cubic root of 905250 is about 96.7363086476.

Adding to 905250 its reverse (52509), we get a palindrome (957759).

The spelling of 905250 in words is "nine hundred five thousand, two hundred fifty".