85525383 has 16 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 55502496.

The previous prime is 85525381. The next prime is 85525387. The reversal of 85525383 is 38352558.

It is not a de Polignac number, because 85525383 - 2¹ = 85525381 is a prime.

It is a super-2 number, since 2×85525383² = 14629182274593378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85525381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26238 + ... + 29316.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^85525383 is an apocalyptic number.

85525383 is a deficient number, since it is larger than the sum of its proper divisors (31563897).

85525383 is a wasteful number, since it uses less digits than its factorization.

85525383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326.

The product of its digits is 144000, while the sum is 39.

The square root of 85525383 is about 9247.9934580427. The cubic root of 85525383 is about 440.5869971953.

The spelling of 85525383 in words is "eighty-five million, five hundred twenty-five thousand, three hundred eighty-three".