82531850 has 12 divisors (see below), whose sum is σ = 153509334. Its totient is φ = 33012720.

The previous prime is 82531849. The next prime is 82531879. The reversal of 82531850 is 5813528.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 73633561 + 8898289 = 8581^2 + 2983^2 .

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 5 ways as a sum of consecutive naturals, for example, 825269 + ... + 825368.

Almost surely, 2^82531850 is an apocalyptic number.

82531850 is a deficient number, since it is larger than the sum of its proper divisors (70977484).

82531850 is a wasteful number, since it uses less digits than its factorization.

82531850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650649 (or 1650644 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 82531850 is about 9084.7041779025. The cubic root of 82531850 is about 435.3853985264.

The spelling of 82531850 in words is "eighty-two million, five hundred thirty-one thousand, eight hundred fifty".