130253243 has 4 divisors (see below), whose sum is σ = 132037608. Its totient is φ = 128468880.

The previous prime is 130253237. The next prime is 130253287. The reversal of 130253243 is 342352031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342352031 = 7 ⋅48907433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130253243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130253213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892073 + ... + 892218.

It is an arithmetic number, because the mean of its divisors is an integer number (33009402).

Almost surely, 2^130253243 is an apocalyptic number.

130253243 is a deficient number, since it is larger than the sum of its proper divisors (1784365).

130253243 is an equidigital number, since it uses as much as digits as its factorization.

130253243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784364.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 130253243 is about 11412.8542880386. The cubic root of 130253243 is about 506.9084315280.

It can be divided in two parts, 1302 and 53243, that added together give a palindrome (54545).

The spelling of 130253243 in words is "one hundred thirty million, two hundred fifty-three thousand, two hundred forty-three".