1005000455 has 4 divisors (see below), whose sum is σ = 1206000552. Its totient is φ = 804000360.

The previous prime is 1005000449. The next prime is 1005000467. The reversal of 1005000455 is 5540005001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1005000455 - 2⁶ = 1005000391 is a prime.

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, 100500041 + ... + 100500050.

It is an arithmetic number, because the mean of its divisors is an integer number (301500138).

Almost surely, 2^1005000455 is an apocalyptic number.

1005000455 is a deficient number, since it is larger than the sum of its proper divisors (201000097).

1005000455 is an equidigital number, since it uses as much as digits as its factorization.

1005000455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201000096.

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

The square root of 1005000455 is about 31701.7421445573. The cubic root of 1005000455 is about 1001.6640477425.

Adding to 1005000455 its reverse (5540005001), we get a palindrome (6545005456).

The spelling of 1005000455 in words is "one billion, five million, four hundred fifty-five", and thus it is an aban number.