130526287 has 2 divisors, whose sum is σ = 130526288. Its totient is φ = 130526286.

The previous prime is 130526281. The next prime is 130526299. The reversal of 130526287 is 782625031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130526287 - 2¹⁹ = 130001999 is a prime.

It is a super-2 number, since 2×130526287² = 34074223196012738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130526281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65263143 + 65263144.

It is an arithmetic number, because the mean of its divisors is an integer number (65263144).

Almost surely, 2^130526287 is an apocalyptic number.

130526287 is a deficient number, since it is larger than the sum of its proper divisors (1).

130526287 is an equidigital number, since it uses as much as digits as its factorization.

130526287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 130526287 is about 11424.8101515955. The cubic root of 130526287 is about 507.2623874118.

The spelling of 130526287 in words is "one hundred thirty million, five hundred twenty-six thousand, two hundred eighty-seven".