1005365255 has 8 divisors (see below), whose sum is σ = 1213840752. Its totient is φ = 799357248.

The previous prime is 1005365237. The next prime is 1005365267. The reversal of 1005365255 is 5525635001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005365255 is a prime.

It is a super-2 number, since 2×1005365255² = 2021518591922430050, 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 7 ways as a sum of consecutive naturals, for example, 615974 + ... + 617603.

It is an arithmetic number, because the mean of its divisors is an integer number (151730094).

Almost surely, 2^1005365255 is an apocalyptic number.

1005365255 is a deficient number, since it is larger than the sum of its proper divisors (208475497).

1005365255 is a wasteful number, since it uses less digits than its factorization.

1005365255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233745.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 1005365255 is about 31707.4952495463. The cubic root of 1005365255 is about 1001.7852293928.

The spelling of 1005365255 in words is "one billion, five million, three hundred sixty-five thousand, two hundred fifty-five".