1003861325 has 12 divisors (see below), whose sum is σ = 1261842228. Its totient is φ = 792086400.

The previous prime is 1003861307. The next prime is 1003861337. The reversal of 1003861325 is 5231683001.

It can be written as a sum of positive squares in 6 ways, for example, as 11485321 + 992376004 = 3389^2 + 31502^2 .

It is not a de Polignac number, because 1003861325 - 2⁸ = 1003861069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 273206 + ... + 276855.

It is an arithmetic number, because the mean of its divisors is an integer number (105153519).

Almost surely, 2^1003861325 is an apocalyptic number.

It is an amenable number.

1003861325 is a deficient number, since it is larger than the sum of its proper divisors (257980903).

1003861325 is an equidigital number, since it uses as much as digits as its factorization.

1003861325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550144 (or 550139 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1003861325 is about 31683.7706878459. The cubic root of 1003861325 is about 1001.2854552302.

The spelling of 1003861325 in words is "one billion, three million, eight hundred sixty-one thousand, three hundred twenty-five".