130525500 has 192 divisors, whose sum is σ = 449519616. Its totient is φ = 28800000.

The previous prime is 130525489. The next prime is 130525501. The reversal of 130525500 is 5525031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130525501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325300 + ... + 325700.

It is an arithmetic number, because the mean of its divisors is an integer number (2341248).

Almost surely, 2^130525500 is an apocalyptic number.

130525500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224759808).

130525500 is an abundant number, since it is smaller than the sum of its proper divisors (318994116).

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

130525500 is a wasteful number, since it uses less digits than its factorization.

130525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 130525500 is about 11424.7757089581. The cubic root of 130525500 is about 507.2613679075.

The spelling of 130525500 in words is "one hundred thirty million, five hundred twenty-five thousand, five hundred".