10500551 has 8 divisors (see below), whose sum is σ = 10820544. Its totient is φ = 10183680.

The previous prime is 10500547. The next prime is 10500569. The reversal of 10500551 is 15500501.

10500551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10500551 - 2² = 10500547 is a prime.

It is a super-2 number, since 2×10500551² = 220523142607202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7250 + ... + 8576.

It is an arithmetic number, because the mean of its divisors is an integer number (1352568).

Almost surely, 2^10500551 is an apocalyptic number.

10500551 is a deficient number, since it is larger than the sum of its proper divisors (319993).

10500551 is a wasteful number, since it uses less digits than its factorization.

10500551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 10500551 is about 3240.4553692344. The cubic root of 10500551 is about 218.9797872687.

The spelling of 10500551 in words is "ten million, five hundred thousand, five hundred fifty-one".