85130600 has 24 divisors (see below), whose sum is σ = 197929110. Its totient is φ = 34052160.

The previous prime is 85130593. The next prime is 85130603. The reversal of 85130600 is 603158.

It can be written as a sum of positive squares in 3 ways, for example, as 73034116 + 12096484 = 8546^2 + 3478^2 .

It is not an unprimeable number, because it can be changed into a prime (85130603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212627 + ... + 213026.

Almost surely, 2^85130600 is an apocalyptic number.

It is an amenable number.

85130600 is an abundant number, since it is smaller than the sum of its proper divisors (112798510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85130600 is a wasteful number, since it uses less digits than its factorization.

85130600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425669 (or 425660 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 85130600 is about 9226.6245182082. The cubic root of 85130600 is about 439.9080386324.

Adding to 85130600 its reverse (603158), we get a palindrome (85733758).

The spelling of 85130600 in words is "eighty-five million, one hundred thirty thousand, six hundred".