10215255 has 32 divisors (see below), whose sum is σ = 17475840. Its totient is φ = 5080320.

The previous prime is 10215251. The next prime is 10215263. The reversal of 10215255 is 55251201.

It is not a de Polignac number, because 10215255 - 2² = 10215251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20560 + ... + 21050.

It is an arithmetic number, because the mean of its divisors is an integer number (546120).

Almost surely, 2^10215255 is an apocalyptic number.

10215255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10215255 is a deficient number, since it is larger than the sum of its proper divisors (7260585).

10215255 is a wasteful number, since it uses less digits than its factorization.

10215255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 10215255 is about 3196.1312551270. The cubic root of 10215255 is about 216.9783508880.

Adding to 10215255 its reverse (55251201), we get a palindrome (65466456).

The spelling of 10215255 in words is "ten million, two hundred fifteen thousand, two hundred fifty-five".