130529549 has 2 divisors, whose sum is σ = 130529550. Its totient is φ = 130529548.

The previous prime is 130529543. The next prime is 130529557. The reversal of 130529549 is 945925031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129732100 + 797449 = 11390^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 130529549 - 2²⁰ = 129480973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130529543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65264774 + 65264775.

It is an arithmetic number, because the mean of its divisors is an integer number (65264775).

Almost surely, 2^130529549 is an apocalyptic number.

It is an amenable number.

130529549 is a deficient number, since it is larger than the sum of its proper divisors (1).

130529549 is an equidigital number, since it uses as much as digits as its factorization.

130529549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 130529549 is about 11424.9529101874. The cubic root of 130529549 is about 507.2666130641.

The spelling of 130529549 in words is "one hundred thirty million, five hundred twenty-nine thousand, five hundred forty-nine".