130302225 has 27 divisors (see below), whose sum is σ = 233692849. Its totient is φ = 69403200.

The previous prime is 130302217. The next prime is 130302233. The reversal of 130302225 is 522203031.

The square root of 130302225 is 11415.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (130302217) and next prime (130302233).

It can be written as a sum of positive squares in 4 ways, for example, as 76895361 + 53406864 = 8769^2 + 7308^2 .

It is not a de Polignac number, because 130302225 - 2³ = 130302217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130302198 and 130302207.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 170845 + ... + 171605.

Almost surely, 2^130302225 is an apocalyptic number.

130302225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130302225 is the 11415-th square number.

130302225 is the 5708-th centered octagonal number.

It is an amenable number.

130302225 is a deficient number, since it is larger than the sum of its proper divisors (103390624).

130302225 is an frugal number, since it uses more digits than its factorization.

130302225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The cubic root of 130302225 is about 506.9719648842.

Adding to 130302225 its reverse (522203031), we get a palindrome (652505256).

The spelling of 130302225 in words is "one hundred thirty million, three hundred two thousand, two hundred twenty-five".