85002538 has 8 divisors (see below), whose sum is σ = 131900580. Its totient is φ = 41035680.

The previous prime is 85002517. The next prime is 85002551. The reversal of 85002538 is 83520058.

It can be written as a sum of positive squares in 2 ways, for example, as 79512889 + 5489649 = 8917^2 + 2343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732723 + ... + 732838.

Almost surely, 2^85002538 is an apocalyptic number.

85002538 is a deficient number, since it is larger than the sum of its proper divisors (46898042).

85002538 is a wasteful number, since it uses less digits than its factorization.

85002538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465592.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 85002538 is about 9219.6820986409. The cubic root of 85002538 is about 439.6873433110.

The spelling of 85002538 in words is "eighty-five million, two thousand, five hundred thirty-eight".