82502250 has 64 divisors (see below), whose sum is σ = 211026816. Its totient is φ = 21456000.

The previous prime is 82502201. The next prime is 82502257. The reversal of 82502250 is 5220528.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82502250.

It is not an unprimeable number, because it can be changed into a prime (82502257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29409 + ... + 32091.

It is an arithmetic number, because the mean of its divisors is an integer number (3297294).

Almost surely, 2^82502250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82502250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105513408).

82502250 is an abundant number, since it is smaller than the sum of its proper divisors (128524566).

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

82502250 is a wasteful number, since it uses less digits than its factorization.

82502250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 82502250 is about 9083.0749198716. The cubic root of 82502250 is about 435.3333420626. Note that the first 4 decimals are identical.

Adding to 82502250 its reverse (5220528), we get a palindrome (87722778).

The spelling of 82502250 in words is "eighty-two million, five hundred two thousand, two hundred fifty".