83485025 has 12 divisors (see below), whose sum is σ = 111485052. Its totient is φ = 61650240.

The previous prime is 83485013. The next prime is 83485033. The reversal of 83485025 is 52058438.

It can be written as a sum of positive squares in 6 ways, for example, as 256 + 83484769 = 16^2 + 9137^2 .

It is not a de Polignac number, because 83485025 - 2²² = 79290721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128114 + ... + 128763.

It is an arithmetic number, because the mean of its divisors is an integer number (9290421).

Almost surely, 2^83485025 is an apocalyptic number.

It is an amenable number.

83485025 is a deficient number, since it is larger than the sum of its proper divisors (28000027).

83485025 is a wasteful number, since it uses less digits than its factorization.

83485025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256900 (or 256895 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 83485025 is about 9137.0140089638. The cubic root of 83485025 is about 437.0551014727.

The spelling of 83485025 in words is "eighty-three million, four hundred eighty-five thousand, twenty-five".