10520255 has 4 divisors (see below), whose sum is σ = 12624312. Its totient is φ = 8416200.

The previous prime is 10520227. The next prime is 10520291. The reversal of 10520255 is 55202501.

10520255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55202501 = 2269 ⋅24329.

It is not a de Polignac number, because 10520255 - 2¹⁰ = 10519231 is a prime.

It is a super-2 number, since 2×10520255² = 221351530530050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052021 + ... + 1052030.

It is an arithmetic number, because the mean of its divisors is an integer number (3156078).

Almost surely, 2^10520255 is an apocalyptic number.

10520255 is a deficient number, since it is larger than the sum of its proper divisors (2104057).

10520255 is an equidigital number, since it uses as much as digits as its factorization.

10520255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104056.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 10520255 is about 3243.4942577412. The cubic root of 10520255 is about 219.1166715676.

Adding to 10520255 its reverse (55202501), we get a palindrome (65722756).

The spelling of 10520255 in words is "ten million, five hundred twenty thousand, two hundred fifty-five".