551541131 has 4 divisors (see below), whose sum is σ = 551857512. Its totient is φ = 551224752.

The previous prime is 551541121. The next prime is 551541163. The reversal of 551541131 is 131145155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131145155 = 5 ⋅26229031.

It is a cyclic number.

It is not a de Polignac number, because 551541131 - 2²² = 547346827 is a prime.

It is a super-3 number, since 3×551541131³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551541131.

It is not an unprimeable number, because it can be changed into a prime (551541121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155561 + ... + 159066.

It is an arithmetic number, because the mean of its divisors is an integer number (137964378).

Almost surely, 2^551541131 is an apocalyptic number.

551541131 is a deficient number, since it is larger than the sum of its proper divisors (316381).

551541131 is a wasteful number, since it uses less digits than its factorization.

551541131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316380.

The product of its digits is 1500, while the sum is 26.

The square root of 551541131 is about 23484.9128378199. The cubic root of 551541131 is about 820.0858184027.

Adding to 551541131 its reverse (131145155), we get a palindrome (682686286).

The spelling of 551541131 in words is "five hundred fifty-one million, five hundred forty-one thousand, one hundred thirty-one".