1005015225 has 24 divisors (see below), whose sum is σ = 1662642592. Its totient is φ = 535680000.

The previous prime is 1005015223. The next prime is 1005015229. The reversal of 1005015225 is 5225105001.

It is not a de Polignac number, because 1005015225 - 2¹ = 1005015223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005015223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165849 + ... + 171801.

Almost surely, 2^1005015225 is an apocalyptic number.

1005015225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1005015225 is a deficient number, since it is larger than the sum of its proper divisors (657627367).

1005015225 is a wasteful number, since it uses less digits than its factorization.

1005015225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217 (or 8212 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1005015225 is about 31701.9750961987. The cubic root of 1005015225 is about 1001.6689547073.

The spelling of 1005015225 in words is "one billion, five million, fifteen thousand, two hundred twenty-five".