1005015452 has 96 divisors (see below), whose sum is σ = 2275983360. Its totient is φ = 378132480.

The previous prime is 1005015449. The next prime is 1005015463. The reversal of 1005015452 is 2545105001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447749 + ... + 449987.

It is an arithmetic number, because the mean of its divisors is an integer number (23708160).

Almost surely, 2^1005015452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005015452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137991680).

1005015452 is an abundant number, since it is smaller than the sum of its proper divisors (1270967908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005015452 is a wasteful number, since it uses less digits than its factorization.

1005015452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2329 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1005015452 is about 31701.9786764170. The cubic root of 1005015452 is about 1001.6690301220.

The spelling of 1005015452 in words is "one billion, five million, fifteen thousand, four hundred fifty-two".