1005254213 has 4 divisors (see below), whose sum is σ = 1022292480. Its totient is φ = 988215948.

The previous prime is 1005254207. The next prime is 1005254219. The reversal of 1005254213 is 3124525001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1005254207) and next prime (1005254219).

It is a cyclic number.

It is not a de Polignac number, because 1005254213 - 2¹⁰ = 1005253189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005254219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8519045 + ... + 8519162.

It is an arithmetic number, because the mean of its divisors is an integer number (255573120).

Almost surely, 2^1005254213 is an apocalyptic number.

It is an amenable number.

1005254213 is a deficient number, since it is larger than the sum of its proper divisors (17038267).

1005254213 is an equidigital number, since it uses as much as digits as its factorization.

1005254213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17038266.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1005254213 is about 31705.7441641101. The cubic root of 1005254213 is about 1001.7483458388.

Adding to 1005254213 its reverse (3124525001), we get a palindrome (4129779214).

The spelling of 1005254213 in words is "one billion, five million, two hundred fifty-four thousand, two hundred thirteen".