1002315225 has 12 divisors (see below), whose sum is σ = 1657161296. Its totient is φ = 534568080.

The previous prime is 1002315211. The next prime is 1002315263. The reversal of 1002315225 is 5225132001.

It is not a de Polignac number, because 1002315225 - 2²¹ = 1000218073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6682027 + ... + 6682176.

Almost surely, 2^1002315225 is an apocalyptic number.

1002315225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002315225 is a deficient number, since it is larger than the sum of its proper divisors (654846071).

1002315225 is a wasteful number, since it uses less digits than its factorization.

1002315225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13364216 (or 13364211 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1002315225 is about 31659.3623593401. The cubic root of 1002315225 is about 1000.7711468463.

Adding to 1002315225 its reverse (5225132001), we get a palindrome (6227447226).

The spelling of 1002315225 in words is "one billion, two million, three hundred fifteen thousand, two hundred twenty-five".