130521232425 has 24 divisors (see below), whose sum is σ = 215815320864. Its totient is φ = 69604802560.

The previous prime is 130521232411. The next prime is 130521232441. The reversal of 130521232425 is 524232125031.

It is not a de Polignac number, because 130521232425 - 2⁴ = 130521232409 is a prime.

It is a super-2 number, since 2×130521232425² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130521232392 and 130521232401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785449 + ... + 937001.

It is an arithmetic number, because the mean of its divisors is an integer number (8992305036).

Almost surely, 2^130521232425 is an apocalyptic number.

130521232425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130521232425 is a deficient number, since it is larger than the sum of its proper divisors (85294088439).

130521232425 is a wasteful number, since it uses less digits than its factorization.

130521232425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163049 (or 163044 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 130521232425 its reverse (524232125031), we get a palindrome (654753357456).

The spelling of 130521232425 in words is "one hundred thirty billion, five hundred twenty-one million, two hundred thirty-two thousand, four hundred twenty-five".