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130225813 is a prime number
BaseRepresentation
bin1111100001100…
…01011010010101
3100002001011020021
413300301122111
5231314211223
620531105141
73140621044
oct760613225
9302034207
10130225813
1167566643
12377421b1
1320c974c3
141341c55b
15b67565d
hex7c31695

130225813 has 2 divisors, whose sum is σ = 130225814. Its totient is φ = 130225812.

The previous prime is 130225787. The next prime is 130225817. The reversal of 130225813 is 318522031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94906564 + 35319249 = 9742^2 + 5943^2 .

It is an emirp because it is prime and its reverse (318522031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130225813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130225817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65112906 + 65112907.

It is an arithmetic number, because the mean of its divisors is an integer number (65112907).

Almost surely, 2130225813 is an apocalyptic number.

It is an amenable number.

130225813 is a deficient number, since it is larger than the sum of its proper divisors (1).

130225813 is an equidigital number, since it uses as much as digits as its factorization.

130225813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 130225813 is about 11411.6525096061. The cubic root of 130225813 is about 506.8728457872.

Adding to 130225813 its reverse (318522031), we get a palindrome (448747844).

The spelling of 130225813 in words is "one hundred thirty million, two hundred twenty-five thousand, eight hundred thirteen".