10500015 has 8 divisors (see below), whose sum is σ = 16800048. Its totient is φ = 5600000.

The previous prime is 10500013. The next prime is 10500023. The reversal of 10500015 is 51000501.

10500015 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 not a de Polignac number, because 10500015 - 2¹ = 10500013 is a prime.

It is a super-2 number, since 2×10500015² = 220500630000450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500013) 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, 349986 + ... + 350015.

It is an arithmetic number, because the mean of its divisors is an integer number (2100006).

Almost surely, 2^10500015 is an apocalyptic number.

10500015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10500015 is a deficient number, since it is larger than the sum of its proper divisors (6300033).

10500015 is an equidigital number, since it uses as much as digits as its factorization.

10500015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700009.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 10500015 is about 3240.3726637534. The cubic root of 10500015 is about 218.9760612686.

Adding to 10500015 its reverse (51000501), we get a palindrome (61500516).

The spelling of 10500015 in words is "ten million, five hundred thousand, fifteen".