130059521 has 2 divisors, whose sum is σ = 130059522. Its totient is φ = 130059520.

The previous prime is 130059511. The next prime is 130059583. The reversal of 130059521 is 125950031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 6071296 = 11135^2 + 2464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130059521 is a prime.

It is not a weakly prime, because it can be changed into another prime (130059511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65029760 + 65029761.

It is an arithmetic number, because the mean of its divisors is an integer number (65029761).

Almost surely, 2^130059521 is an apocalyptic number.

It is an amenable number.

130059521 is a deficient number, since it is larger than the sum of its proper divisors (1).

130059521 is an equidigital number, since it uses as much as digits as its factorization.

130059521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 130059521 is about 11404.3641208092. The cubic root of 130059521 is about 506.6570032687.

The spelling of 130059521 in words is "one hundred thirty million, fifty-nine thousand, five hundred twenty-one".