10065551 has 4 divisors (see below), whose sum is σ = 10110912. Its totient is φ = 10020192.

The previous prime is 10065521. The next prime is 10065553. The reversal of 10065551 is 15556001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15556001 = 269 ⋅57829.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10065551 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 (10065553) 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, 22346 + ... + 22791.

It is an arithmetic number, because the mean of its divisors is an integer number (2527728).

Almost surely, 2^10065551 is an apocalyptic number.

10065551 is a deficient number, since it is larger than the sum of its proper divisors (45361).

10065551 is an equidigital number, since it uses as much as digits as its factorization.

10065551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45360.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 10065551 is about 3172.6252536346. The cubic root of 10065551 is about 215.9131952870.

The spelling of 10065551 in words is "ten million, sixty-five thousand, five hundred fifty-one".