130253505 has 24 divisors (see below), whose sum is σ = 214224192. Its totient is φ = 67580352.

The previous prime is 130253503. The next prime is 130253509. The reversal of 130253505 is 505352031.

It is not a de Polignac number, because 130253505 - 2¹ = 130253503 is a prime.

It is a super-3 number, since 3×130253505³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130253503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17364 + ... + 23706.

It is an arithmetic number, because the mean of its divisors is an integer number (8926008).

Almost surely, 2^130253505 is an apocalyptic number.

130253505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130253505 is a deficient number, since it is larger than the sum of its proper divisors (83970687).

130253505 is an equidigital number, since it uses as much as digits as its factorization.

130253505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6388 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 130253505 is about 11412.8657663183. The cubic root of 130253505 is about 506.9087714042.

The spelling of 130253505 in words is "one hundred thirty million, two hundred fifty-three thousand, five hundred five".