10040551 has 4 divisors (see below), whose sum is σ = 10078992. Its totient is φ = 10002112.

The previous prime is 10040533. The next prime is 10040573. The reversal of 10040551 is 15504001.

It is a happy number.

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 10040551 - 2⁵ = 10040519 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 (10040501) 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, 18826 + ... + 19351.

It is an arithmetic number, because the mean of its divisors is an integer number (2519748).

Almost surely, 2^10040551 is an apocalyptic number.

10040551 is a deficient number, since it is larger than the sum of its proper divisors (38441).

10040551 is an equidigital number, since it uses as much as digits as its factorization.

10040551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38440.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10040551 is about 3168.6828493871. The cubic root of 10040551 is about 215.7342911894.

Adding to 10040551 its reverse (15504001), we get a palindrome (25544552).

The spelling of 10040551 in words is "ten million, forty thousand, five hundred fifty-one".