1005253015 has 8 divisors (see below), whose sum is σ = 1299096288. Its totient is φ = 742340640.

The previous prime is 1005252943. The next prime is 1005253021. The reversal of 1005253015 is 5103525001.

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

It is not a de Polignac number, because 1005253015 - 2⁹ = 1005252503 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 7 ways as a sum of consecutive naturals, for example, 7732651 + ... + 7732780.

It is an arithmetic number, because the mean of its divisors is an integer number (162387036).

Almost surely, 2^1005253015 is an apocalyptic number.

1005253015 is a deficient number, since it is larger than the sum of its proper divisors (293843273).

1005253015 is a wasteful number, since it uses less digits than its factorization.

1005253015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15465449.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1005253015 is about 31705.7252716288. The cubic root of 1005253015 is about 1001.7479478980.

Adding to 1005253015 its reverse (5103525001), we get a palindrome (6108778016).

The spelling of 1005253015 in words is "one billion, five million, two hundred fifty-three thousand, fifteen".