1000258255 has 16 divisors (see below), whose sum is σ = 1206696960. Its totient is φ = 795963168.

The previous prime is 1000258253. The next prime is 1000258261. The reversal of 1000258255 is 5528520001.

It is a cyclic number.

It is not a de Polignac number, because 1000258255 - 2¹ = 1000258253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000258253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164016 + ... + 1164874.

It is an arithmetic number, because the mean of its divisors is an integer number (75418560).

Almost surely, 2^1000258255 is an apocalyptic number.

1000258255 is a deficient number, since it is larger than the sum of its proper divisors (206438705).

1000258255 is an equidigital number, since it uses as much as digits as its factorization.

1000258255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1000258255 is about 31626.8597081658. The cubic root of 1000258255 is about 1000.0860775904.

Adding to 1000258255 its reverse (5528520001), we get a palindrome (6528778256).

The spelling of 1000258255 in words is "one billion, two hundred fifty-eight thousand, two hundred fifty-five".