10181250 has 72 divisors (see below), whose sum is σ = 27724788. Its totient is φ = 2700000.

The previous prime is 10181231. The next prime is 10181251. The reversal of 10181250 is 5218101.

It can be written as a sum of positive squares in 6 ways, for example, as 4173849 + 6007401 = 2043^2 + 2451^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (10181251) 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 35 ways as a sum of consecutive naturals, for example, 56160 + ... + 56340.

Almost surely, 2^10181250 is an apocalyptic number.

10181250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10181250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13862394).

10181250 is an abundant number, since it is smaller than the sum of its proper divisors (17543538).

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

10181250 is an equidigital number, since it uses as much as digits as its factorization.

10181250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 10181250 is about 3190.8071079274. The cubic root of 10181250 is about 216.7373208102.

Adding to 10181250 its reverse (5218101), we get a palindrome (15399351).

The spelling of 10181250 in words is "ten million, one hundred eighty-one thousand, two hundred fifty".