8525130 has 64 divisors (see below), whose sum is σ = 21772800. Its totient is φ = 2132480.

The previous prime is 8525119. The next prime is 8525131. The reversal of 8525130 is 315258.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8525130.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8525131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35551 + ... + 35789.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^8525130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8525130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10886400).

8525130 is an abundant number, since it is smaller than the sum of its proper divisors (13247670).

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

8525130 is a wasteful number, since it uses less digits than its factorization.

8525130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 8525130 is about 2919.7825261481. The cubic root of 8525130 is about 204.2836787718.

The spelling of 8525130 in words is "eight million, five hundred twenty-five thousand, one hundred thirty".