130551 has 4 divisors (see below), whose sum is σ = 174072. Its totient is φ = 87032.

The previous prime is 130547. The next prime is 130553. The reversal of 130551 is 155031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130551 - 2² = 130547 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 130551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130553) 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, 21756 + ... + 21761.

It is an arithmetic number, because the mean of its divisors is an integer number (43518).

2¹³⁰⁵⁵¹ is an apocalyptic number.

130551 is a deficient number, since it is larger than the sum of its proper divisors (43521).

130551 is an equidigital number, since it uses as much as digits as its factorization.

130551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43520.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 130551 is about 361.3184191264. The cubic root of 130551 is about 50.7294399314.

Adding to 130551 its reverse (155031), we get a palindrome (285582).

The spelling of 130551 in words is "one hundred thirty thousand, five hundred fifty-one".