4140551 has 4 divisors (see below), whose sum is σ = 4170912. Its totient is φ = 4110192.

The previous prime is 4140511. The next prime is 4140557. The reversal of 4140551 is 1550414.

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 4140551 - 2¹⁴ = 4124167 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 (4140557) 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 3 ways as a sum of consecutive naturals, for example, 14975 + ... + 15248.

It is an arithmetic number, because the mean of its divisors is an integer number (1042728).

Almost surely, 2^4140551 is an apocalyptic number.

4140551 is a deficient number, since it is larger than the sum of its proper divisors (30361).

4140551 is a wasteful number, since it uses less digits than its factorization.

4140551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30360.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4140551 is about 2034.8343912958. The cubic root of 4140551 is about 160.5780006021.

Adding to 4140551 its reverse (1550414), we get a palindrome (5690965).

The spelling of 4140551 in words is "four million, one hundred forty thousand, five hundred fifty-one".