85130517 has 4 divisors (see below), whose sum is σ = 113507360. Its totient is φ = 56753676.

The previous prime is 85130503. The next prime is 85130531. The reversal of 85130517 is 71503158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (85130503) and next prime (85130531).

It is not a de Polignac number, because 85130517 - 2⁷ = 85130389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85130587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14188417 + ... + 14188422.

It is an arithmetic number, because the mean of its divisors is an integer number (28376840).

Almost surely, 2^85130517 is an apocalyptic number.

It is an amenable number.

85130517 is a deficient number, since it is larger than the sum of its proper divisors (28376843).

85130517 is a wasteful number, since it uses less digits than its factorization.

85130517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28376842.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 85130517 is about 9226.6200203541. The cubic root of 85130517 is about 439.9078956662.

The spelling of 85130517 in words is "eighty-five million, one hundred thirty thousand, five hundred seventeen".