8140551 has 8 divisors (see below), whose sum is σ = 11326080. Its totient is φ = 5191032.

The previous prime is 8140537. The next prime is 8140553. The reversal of 8140551 is 1550418.

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

It is not a de Polignac number, because 8140551 - 2⁵ = 8140519 is a prime.

8140551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58921 + ... + 59058.

It is an arithmetic number, because the mean of its divisors is an integer number (1415760).

Almost surely, 2^8140551 is an apocalyptic number.

8140551 is the 1805-th centered pentagonal number.

8140551 is a deficient number, since it is larger than the sum of its proper divisors (3185529).

8140551 is a wasteful number, since it uses less digits than its factorization.

8140551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118005.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 8140551 is about 2853.1650846034. The cubic root of 8140551 is about 201.1644652782.

Adding to 8140551 its reverse (1550418), we get a palindrome (9690969).

The spelling of 8140551 in words is "eight million, one hundred forty thousand, five hundred fifty-one".