85130516 has 6 divisors (see below), whose sum is σ = 148978410. Its totient is φ = 42565256.

The previous prime is 85130503. The next prime is 85130531. The reversal of 85130516 is 61503158.

It can be written as a sum of positive squares in only one way, i.e., 80928016 + 4202500 = 8996^2 + 2050^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10641311 + ... + 10641318.

It is an arithmetic number, because the mean of its divisors is an integer number (24829735).

Almost surely, 2^85130516 is an apocalyptic number.

It is an amenable number.

85130516 is a deficient number, since it is larger than the sum of its proper divisors (63847894).

85130516 is a wasteful number, since it uses less digits than its factorization.

85130516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21282633 (or 21282631 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 85130516 is about 9226.6199661631. The cubic root of 85130516 is about 439.9078939437.

The spelling of 85130516 in words is "eighty-five million, one hundred thirty thousand, five hundred sixteen".