82195250 has 16 divisors (see below), whose sum is σ = 153869976. Its totient is φ = 32878000.

The previous prime is 82195249. The next prime is 82195271. The reversal of 82195250 is 5259128.

It can be written as a sum of positive squares in 4 ways, for example, as 28334329 + 53860921 = 5323^2 + 7339^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 164141 + ... + 164640.

Almost surely, 2^82195250 is an apocalyptic number.

82195250 is a deficient number, since it is larger than the sum of its proper divisors (71674726).

82195250 is a wasteful number, since it uses less digits than its factorization.

82195250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328798 (or 328788 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 82195250 is about 9066.1596059191. The cubic root of 82195250 is about 434.7926963964.

The spelling of 82195250 in words is "eighty-two million, one hundred ninety-five thousand, two hundred fifty".