1002415325 has 18 divisors (see below), whose sum is σ = 1299405114. Its totient is φ = 767055520.

The previous prime is 1002415303. The next prime is 1002415331. The reversal of 1002415325 is 5235142001.

It can be written as a sum of positive squares in 3 ways, for example, as 139759684 + 862655641 = 11822^2 + 29371^2 .

It is not a de Polignac number, because 1002415325 - 2⁸ = 1002415069 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002415325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24674 + ... + 51123.

It is an arithmetic number, because the mean of its divisors is an integer number (72189173).

Almost surely, 2^1002415325 is an apocalyptic number.

It is an amenable number.

1002415325 is a deficient number, since it is larger than the sum of its proper divisors (296989789).

1002415325 is an equidigital number, since it uses as much as digits as its factorization.

1002415325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75853 (or 75825 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1002415325 is about 31660.9432108394. The cubic root of 1002415325 is about 1000.8044610023.

Adding to 1002415325 its reverse (5235142001), we get a palindrome (6237557326).

The spelling of 1002415325 in words is "one billion, two million, four hundred fifteen thousand, three hundred twenty-five".