10015000 has 40 divisors (see below), whose sum is σ = 23476860. Its totient is φ = 4004000.

The previous prime is 10014997. The next prime is 10015009. The reversal of 10015000 is 51001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10015009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3999 + ... + 6001.

Almost surely, 2^10015000 is an apocalyptic number.

10015000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10015000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11738430).

10015000 is an abundant number, since it is smaller than the sum of its proper divisors (13461860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10015000 is an equidigital number, since it uses as much as digits as its factorization.

10015000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 7.

The square root of 10015000 is about 3164.6484796893. The cubic root of 10015000 is about 215.5511369217.

Adding to 10015000 its reverse (51001), we get a palindrome (10066001).

The spelling of 10015000 in words is "ten million, fifteen thousand".