2130551 has 8 divisors (see below), whose sum is σ = 2184000. Its totient is φ = 2077920.

The previous prime is 2130539. The next prime is 2130577. The reversal of 2130551 is 1550312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2130551 - 2¹⁰ = 2129527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11681 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (273000).

2^2130551 is an apocalyptic number.

2130551 is a deficient number, since it is larger than the sum of its proper divisors (53449).

2130551 is a wasteful number, since it uses less digits than its factorization.

2130551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 2130551 is about 1459.6407092158. The cubic root of 2130551 is about 128.6759287393.

Adding to 2130551 its reverse (1550312), we get a palindrome (3680863).

The spelling of 2130551 in words is "two million, one hundred thirty thousand, five hundred fifty-one".