130526609 has 2 divisors, whose sum is σ = 130526610. Its totient is φ = 130526608.

The previous prime is 130526581. The next prime is 130526659. The reversal of 130526609 is 906625031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115627009 + 14899600 = 10753^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 130526609 - 2⁸ = 130526353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130526659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65263304 + 65263305.

It is an arithmetic number, because the mean of its divisors is an integer number (65263305).

Almost surely, 2^130526609 is an apocalyptic number.

It is an amenable number.

130526609 is a deficient number, since it is larger than the sum of its proper divisors (1).

130526609 is an equidigital number, since it uses as much as digits as its factorization.

130526609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 130526609 is about 11424.8242437247. The cubic root of 130526609 is about 507.2628045394.

The spelling of 130526609 in words is "one hundred thirty million, five hundred twenty-six thousand, six hundred nine".