1005352225 has 12 divisors (see below), whose sum is σ = 1312249840. Its totient is φ = 761950800.

The previous prime is 1005352223. The next prime is 1005352237. The reversal of 1005352225 is 5222535001.

It is a happy number.

It is not a de Polignac number, because 1005352225 - 2¹ = 1005352223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1005352225.

It is not an unprimeable number, because it can be changed into a prime (1005352223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1057791 + ... + 1058740.

Almost surely, 2^1005352225 is an apocalyptic number.

It is an amenable number.

1005352225 is a deficient number, since it is larger than the sum of its proper divisors (306897615).

1005352225 is a wasteful number, since it uses less digits than its factorization.

1005352225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116560 (or 2116555 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1005352225 is about 31707.2897769582. The cubic root of 1005352225 is about 1001.7809015070.

Adding to 1005352225 its reverse (5222535001), we get a palindrome (6227887226).

The spelling of 1005352225 in words is "one billion, five million, three hundred fifty-two thousand, two hundred twenty-five".