128482513 has 2 divisors, whose sum is σ = 128482514. Its totient is φ = 128482512.

The previous prime is 128482493. The next prime is 128482517. The reversal of 128482513 is 315284821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80138304 + 48344209 = 8952^2 + 6953^2 .

It is a cyclic number.

It is not a de Polignac number, because 128482513 - 2⁹ = 128482001 is a prime.

It is a super-2 number, since 2×128482513² = 33015512293590338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128482517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64241256 + 64241257.

It is an arithmetic number, because the mean of its divisors is an integer number (64241257).

Almost surely, 2^128482513 is an apocalyptic number.

It is an amenable number.

128482513 is a deficient number, since it is larger than the sum of its proper divisors (1).

128482513 is an equidigital number, since it uses as much as digits as its factorization.

128482513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 34.

The square root of 128482513 is about 11335.0127040070. The cubic root of 128482513 is about 504.6008845335.

The spelling of 128482513 in words is "one hundred twenty-eight million, four hundred eighty-two thousand, five hundred thirteen".