10520385 has 8 divisors (see below), whose sum is σ = 16832640. Its totient is φ = 5610864.

The previous prime is 10520383. The next prime is 10520401. The reversal of 10520385 is 58302501.

10520385 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 10520385 - 2¹ = 10520383 is a prime.

It is a super-2 number, since 2×10520385² = 221357001096450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350665 + ... + 350694.

It is an arithmetic number, because the mean of its divisors is an integer number (2104080).

Almost surely, 2^10520385 is an apocalyptic number.

10520385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10520385 is a deficient number, since it is larger than the sum of its proper divisors (6312255).

10520385 is an equidigital number, since it uses as much as digits as its factorization.

10520385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701367.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 10520385 is about 3243.5142977949. The cubic root of 10520385 is about 219.1175741138.

Adding to 10520385 its reverse (58302501), we get a palindrome (68822886).

The spelling of 10520385 in words is "ten million, five hundred twenty thousand, three hundred eighty-five".