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130525 = 5223227
BaseRepresentation
bin11111110111011101
320122001021
4133313131
513134100
62444141
71052353
oct376735
9218037
10130525
118a07a
1263651
1347545
14357d3
1528a1a
hex1fddd

130525 has 12 divisors (see below), whose sum is σ = 169632. Its totient is φ = 99440.

The previous prime is 130523. The next prime is 130531. The reversal of 130525 is 525031.

It is not a de Polignac number, because 130525 - 21 = 130523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130499 and 130508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462 + ... + 688.

It is an arithmetic number, because the mean of its divisors is an integer number (14136).

2130525 is an apocalyptic number.

It is an amenable number.

130525 is a deficient number, since it is larger than the sum of its proper divisors (39107).

130525 is a wasteful number, since it uses less digits than its factorization.

130525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 130525 is about 361.2824379900. The cubic root of 130525 is about 50.7260720190.

Adding to 130525 its reverse (525031), we get a palindrome (655556).

The spelling of 130525 in words is "one hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 23 25 115 227 575 1135 5221 5675 26105 130525