1002255255 has 32 divisors (see below), whose sum is σ = 1801828800. Its totient is φ = 528523776.

The previous prime is 1002255239. The next prime is 1002255277. The reversal of 1002255255 is 5525522001.

1002255255 is a `hidden beast` number, since 100 + 2 + 2 + 552 + 5 + 5 = 666.

It is not a de Polignac number, because 1002255255 - 2⁴ = 1002255239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29694 + ... + 53723.

It is an arithmetic number, because the mean of its divisors is an integer number (56307150).

Almost surely, 2^1002255255 is an apocalyptic number.

1002255255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1002255255 is a deficient number, since it is larger than the sum of its proper divisors (799573545).

1002255255 is an equidigital number, since it uses as much as digits as its factorization.

1002255255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83520 (or 83514 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 1002255255 is about 31658.4152319727. The cubic root of 1002255255 is about 1000.7511872431.

Adding to 1002255255 its reverse (5525522001), we get a palindrome (6527777256).

The spelling of 1002255255 in words is "one billion, two million, two hundred fifty-five thousand, two hundred fifty-five".