130552521 has 16 divisors (see below), whose sum is σ = 190365888. Its totient is φ = 78926400.

The previous prime is 130552507. The next prime is 130552523. The reversal of 130552521 is 125255031.

It is a happy number.

It is not a de Polignac number, because 130552521 - 2⁵ = 130552489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130552491 and 130552500.

It is not an unprimeable number, because it can be changed into a prime (130552523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9195 + ... + 18591.

It is an arithmetic number, because the mean of its divisors is an integer number (11897868).

Almost surely, 2^130552521 is an apocalyptic number.

130552521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130552521 is a deficient number, since it is larger than the sum of its proper divisors (59813367).

130552521 is a wasteful number, since it uses less digits than its factorization.

130552521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 130552521 is about 11425.9582092707. The cubic root of 130552521 is about 507.2963694045.

It can be divided in two parts, 13055 and 2521, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 130552521 in words is "one hundred thirty million, five hundred fifty-two thousand, five hundred twenty-one".