1001343225 has 48 divisors (see below), whose sum is σ = 1779886080. Its totient is φ = 495144000.

The previous prime is 1001343199. The next prime is 1001343227. The reversal of 1001343225 is 5223431001.

It is not a de Polignac number, because 1001343225 - 2⁷ = 1001343097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001343227) 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 47 ways as a sum of consecutive naturals, for example, 59500 + ... + 74450.

It is an arithmetic number, because the mean of its divisors is an integer number (37080960).

Almost surely, 2^1001343225 is an apocalyptic number.

1001343225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001343225 is a deficient number, since it is larger than the sum of its proper divisors (778542855).

1001343225 is a wasteful number, since it uses less digits than its factorization.

1001343225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030 (or 15025 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1001343225 is about 31644.0077265823. The cubic root of 1001343225 is about 1000.4475413435.

Adding to 1001343225 its reverse (5223431001), we get a palindrome (6224774226).

The spelling of 1001343225 in words is "one billion, one million, three hundred forty-three thousand, two hundred twenty-five".