83512485 has 64 divisors (see below), whose sum is σ = 172339200. Its totient is φ = 37578816.

The previous prime is 83512447. The next prime is 83512529. The reversal of 83512485 is 58421538.

83512485 = T₂₁₆₇ + T₂₁₆₈ + ... + T₂₂₀₁.

It is a happy number.

It is not a de Polignac number, because 83512485 - 2¹⁸ = 83250341 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62656 + ... + 63974.

It is an arithmetic number, because the mean of its divisors is an integer number (2692800).

Almost surely, 2^83512485 is an apocalyptic number.

It is an amenable number.

83512485 is an abundant number, since it is smaller than the sum of its proper divisors (88826715).

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

83512485 is a wasteful number, since it uses less digits than its factorization.

83512485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1401 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 83512485 is about 9138.5165645196. The cubic root of 83512485 is about 437.1030151254.

The spelling of 83512485 in words is "eighty-three million, five hundred twelve thousand, four hundred eighty-five".