130501543 has 4 divisors (see below), whose sum is σ = 131222728. Its totient is φ = 129780360.

The previous prime is 130501541. The next prime is 130501559. The reversal of 130501543 is 345105031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130501543 - 2¹ = 130501541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130501541) 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 in 3 ways as a sum of consecutive naturals, for example, 360321 + ... + 360682.

It is an arithmetic number, because the mean of its divisors is an integer number (32805682).

Almost surely, 2^130501543 is an apocalyptic number.

130501543 is a deficient number, since it is larger than the sum of its proper divisors (721185).

130501543 is an equidigital number, since it uses as much as digits as its factorization.

130501543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721184.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 130501543 is about 11423.7271938715. The cubic root of 130501543 is about 507.2303313051.

Adding to 130501543 its reverse (345105031), we get a palindrome (475606574).

It can be divided in two parts, 130501 and 543, that added together give a square (131044 = 362²).

The spelling of 130501543 in words is "one hundred thirty million, five hundred one thousand, five hundred forty-three".