10061815 has 4 divisors (see below), whose sum is σ = 12074184. Its totient is φ = 8049448.

The previous prime is 10061813. The next prime is 10061819. The reversal of 10061815 is 51816001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51816001 = 2399 ⋅21599.

It is a cyclic number.

It is not a de Polignac number, because 10061815 - 2¹ = 10061813 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10061813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006177 + ... + 1006186.

It is an arithmetic number, because the mean of its divisors is an integer number (3018546).

Almost surely, 2^10061815 is an apocalyptic number.

10061815 is a deficient number, since it is larger than the sum of its proper divisors (2012369).

10061815 is an equidigital number, since it uses as much as digits as its factorization.

10061815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012368.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 10061815 is about 3172.0364121491. The cubic root of 10061815 is about 215.8864786996.

Adding to 10061815 its reverse (51816001), we get a palindrome (61877816).

The spelling of 10061815 in words is "ten million, sixty-one thousand, eight hundred fifteen".