1000402325 has 12 divisors (see below), whose sum is σ = 1335922308. Its totient is φ = 738758400.

The previous prime is 1000402297. The next prime is 1000402339. The reversal of 1000402325 is 5232040001.

It can be written as a sum of positive squares in 6 ways, for example, as 432390436 + 568011889 = 20794^2 + 23833^2 .

It is not a de Polignac number, because 1000402325 - 2¹⁸ = 1000140181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1538756 + ... + 1539405.

It is an arithmetic number, because the mean of its divisors is an integer number (111326859).

Almost surely, 2^1000402325 is an apocalyptic number.

It is an amenable number.

1000402325 is a deficient number, since it is larger than the sum of its proper divisors (335519983).

1000402325 is a wasteful number, since it uses less digits than its factorization.

1000402325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078184 (or 3078179 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000402325 is about 31629.1372787814. The cubic root of 1000402325 is about 1000.1340903523.

Adding to 1000402325 its reverse (5232040001), we get a palindrome (6232442326).

The spelling of 1000402325 in words is "one billion, four hundred two thousand, three hundred twenty-five".