130533493 has 2 divisors, whose sum is σ = 130533494. Its totient is φ = 130533492.

The previous prime is 130533451. The next prime is 130533499. The reversal of 130533493 is 394335031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122279364 + 8254129 = 11058^2 + 2873^2 .

It is a cyclic number.

It is not a de Polignac number, because 130533493 - 2¹⁷ = 130402421 is a prime.

It is equal to p_7406626 and since 130533493 and 7406626 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130533499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65266746 + 65266747.

It is an arithmetic number, because the mean of its divisors is an integer number (65266747).

Almost surely, 2^130533493 is an apocalyptic number.

It is an amenable number.

130533493 is a deficient number, since it is larger than the sum of its proper divisors (1).

130533493 is an equidigital number, since it uses as much as digits as its factorization.

130533493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 130533493 is about 11425.1255135338. The cubic root of 130533493 is about 507.2717220972.

The spelling of 130533493 in words is "one hundred thirty million, five hundred thirty-three thousand, four hundred ninety-three".