250505472 has 144 divisors (see below), whose sum is σ = 807069312. Its totient is φ = 67338240.

The previous prime is 250505471. The next prime is 250505473. The reversal of 250505472 is 274505052.

It is an interprime number because it is at equal distance from previous prime (250505471) and next prime (250505473).

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

It is not an unprimeable number, because it can be changed into a prime (250505471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90022 + ... + 92762.

It is an arithmetic number, because the mean of its divisors is an integer number (5604648).

Almost surely, 2^250505472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250505472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403534656).

250505472 is an abundant number, since it is smaller than the sum of its proper divisors (556563840).

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

250505472 is a wasteful number, since it uses less digits than its factorization.

250505472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 250505472 is about 15827.3646574532. The cubic root of 250505472 is about 630.3848089995.

The spelling of 250505472 in words is "two hundred fifty million, five hundred five thousand, four hundred seventy-two".